Home / 21,792,078.60-32,688,117.90-18,432,846.60

Finding the Fourth Proportional to 21,792,078.60, 32,688,117.90 and 18,432,846.60

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Solution

The fourth proportional to 21,792,078.60, 32,688,117.90 and 18,432,846.60 is: 27,649,269.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,792,078.60 : 32,688,117.90 = 18,432,846.60 : x
  2. Step 2: Convert to fraction form
    21,792,078.60/32,688,117.90 = 18,432,846.60/x
  3. Step 3: Cross multiply
    21,792,078.60x = 32,688,117.90 × 18,432,846.60
  4. Step 4: Simplify right side
    21,792,078.60x = 602,535,062,893,414.12
  5. Step 5: Solve for x
    x = 602,535,062,893,414.12/21,792,078.60
  6. Step 6: Final answer
    x = 27,649,269.90

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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.