Home / 18,581,019-25,641,806.28-10,432,431.96

Finding the Fourth Proportional to 18,581,019, 25,641,806.28 and 10,432,431.96

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Solution

The fourth proportional to 18,581,019, 25,641,806.28 and 10,432,431.96 is: 14,396,756.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,581,019 : 25,641,806.28 = 10,432,431.96 : x
  2. Step 2: Convert to fraction form
    18,581,019/25,641,806.28 = 10,432,431.96/x
  3. Step 3: Cross multiply
    18,581,019x = 25,641,806.28 × 10,432,431.96
  4. Step 4: Simplify right side
    18,581,019x = 267,506,399,347,600.75
  5. Step 5: Solve for x
    x = 267,506,399,347,600.75/18,581,019
  6. Step 6: Final answer
    x = 14,396,756.14

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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.