Home / 15,721,809.16-21,697,087.67-9,527,397.52

Finding the Fourth Proportional to 15,721,809.16, 21,697,087.67 and 9,527,397.52

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Solution

The fourth proportional to 15,721,809.16, 21,697,087.67 and 9,527,397.52 is: 13,148,409.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,721,809.16 : 21,697,087.67 = 9,527,397.52 : x
  2. Step 2: Convert to fraction form
    15,721,809.16/21,697,087.67 = 9,527,397.52/x
  3. Step 3: Cross multiply
    15,721,809.16x = 21,697,087.67 × 9,527,397.52
  4. Step 4: Simplify right side
    15,721,809.16x = 206,716,779,258,380.59
  5. Step 5: Solve for x
    x = 206,716,779,258,380.59/15,721,809.16
  6. Step 6: Final answer
    x = 13,148,409.14

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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.