Home / 9,487,639.40-13,092,786.05-5,136,690.92

Finding the Fourth Proportional to 9,487,639.40, 13,092,786.05 and 5,136,690.92

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Solution

The fourth proportional to 9,487,639.40, 13,092,786.05 and 5,136,690.92 is: 7,088,548.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,487,639.40 : 13,092,786.05 = 5,136,690.92 : x
  2. Step 2: Convert to fraction form
    9,487,639.40/13,092,786.05 = 5,136,690.92/x
  3. Step 3: Cross multiply
    9,487,639.40x = 13,092,786.05 × 5,136,690.92
  4. Step 4: Simplify right side
    9,487,639.40x = 67,253,595,129,390.28
  5. Step 5: Solve for x
    x = 67,253,595,129,390.28/9,487,639.40
  6. Step 6: Final answer
    x = 7,088,548.83

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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.