Home / 9,328,781.34-12,873,151.87-5,142,282.91

Finding the Fourth Proportional to 9,328,781.34, 12,873,151.87 and 5,142,282.91

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Solution

The fourth proportional to 9,328,781.34, 12,873,151.87 and 5,142,282.91 is: 7,096,038.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,328,781.34 : 12,873,151.87 = 5,142,282.91 : x
  2. Step 2: Convert to fraction form
    9,328,781.34/12,873,151.87 = 5,142,282.91/x
  3. Step 3: Cross multiply
    9,328,781.34x = 12,873,151.87 × 5,142,282.91
  4. Step 4: Simplify right side
    9,328,781.34x = 66,197,388,813,896.95
  5. Step 5: Solve for x
    x = 66,197,388,813,896.95/9,328,781.34
  6. Step 6: Final answer
    x = 7,096,038.21

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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.