Home / 9,916,635.12-13,684,956.66-5,565,721.38

Finding the Fourth Proportional to 9,916,635.12, 13,684,956.66 and 5,565,721.38

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Solution

The fourth proportional to 9,916,635.12, 13,684,956.66 and 5,565,721.38 is: 7,680,695.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,916,635.12 : 13,684,956.66 = 5,565,721.38 : x
  2. Step 2: Convert to fraction form
    9,916,635.12/13,684,956.66 = 5,565,721.38/x
  3. Step 3: Cross multiply
    9,916,635.12x = 13,684,956.66 × 5,565,721.38
  4. Step 4: Simplify right side
    9,916,635.12x = 76,166,655,866,935.39
  5. Step 5: Solve for x
    x = 76,166,655,866,935.39/9,916,635.12
  6. Step 6: Final answer
    x = 7,680,695.61

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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.