Home / 21,792,078.10-32,688,117.15-18,432,846.10

Finding the Fourth Proportional to 21,792,078.10, 32,688,117.15 and 18,432,846.10

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Solution

The fourth proportional to 21,792,078.10, 32,688,117.15 and 18,432,846.10 is: 27,649,269.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,792,078.10 : 32,688,117.15 = 18,432,846.10 : x
  2. Step 2: Convert to fraction form
    21,792,078.10/32,688,117.15 = 18,432,846.10/x
  3. Step 3: Cross multiply
    21,792,078.10x = 32,688,117.15 × 18,432,846.10
  4. Step 4: Simplify right side
    21,792,078.10x = 602,535,032,724,720.62
  5. Step 5: Solve for x
    x = 602,535,032,724,720.62/21,792,078.10
  6. Step 6: Final answer
    x = 27,649,269.15

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.