Home / 12,687,711.38-17,508,572.66-6,886,368.94

Finding the Fourth Proportional to 12,687,711.38, 17,508,572.66 and 6,886,368.94

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Solution

The fourth proportional to 12,687,711.38, 17,508,572.66 and 6,886,368.94 is: 9,502,934.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,687,711.38 : 17,508,572.66 = 6,886,368.94 : x
  2. Step 2: Convert to fraction form
    12,687,711.38/17,508,572.66 = 6,886,368.94/x
  3. Step 3: Cross multiply
    12,687,711.38x = 17,508,572.66 × 6,886,368.94
  4. Step 4: Simplify right side
    12,687,711.38x = 120,570,490,949,557.19
  5. Step 5: Solve for x
    x = 120,570,490,949,557.19/12,687,711.38
  6. Step 6: Final answer
    x = 9,502,934.56

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1.5x scale

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.