Home / 21,792,056.10-32,688,084.15-18,432,824.10

Finding the Fourth Proportional to 21,792,056.10, 32,688,084.15 and 18,432,824.10

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Solution

The fourth proportional to 21,792,056.10, 32,688,084.15 and 18,432,824.10 is: 27,649,236.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,792,056.10 : 32,688,084.15 = 18,432,824.10 : x
  2. Step 2: Convert to fraction form
    21,792,056.10/32,688,084.15 = 18,432,824.10/x
  3. Step 3: Cross multiply
    21,792,056.10x = 32,688,084.15 × 18,432,824.10
  4. Step 4: Simplify right side
    21,792,056.10x = 602,533,705,302,948
  5. Step 5: Solve for x
    x = 602,533,705,302,948/21,792,056.10
  6. Step 6: Final answer
    x = 27,649,236.15

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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.