Home / 18,569,168.64-25,627,294.08-10,420,439.04

Finding the Fourth Proportional to 18,569,168.64, 25,627,294.08 and 10,420,439.04

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Solution

The fourth proportional to 18,569,168.64, 25,627,294.08 and 10,420,439.04 is: 14,381,239.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,569,168.64 : 25,627,294.08 = 10,420,439.04 : x
  2. Step 2: Convert to fraction form
    18,569,168.64/25,627,294.08 = 10,420,439.04/x
  3. Step 3: Cross multiply
    18,569,168.64x = 25,627,294.08 × 10,420,439.04
  4. Step 4: Simplify right side
    18,569,168.64x = 267,047,655,720,792.84
  5. Step 5: Solve for x
    x = 267,047,655,720,792.84/18,569,168.64
  6. Step 6: Final answer
    x = 14,381,239.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.