Home / 15,657,545.08-21,607,451.22-9,135,658.36

Finding the Fourth Proportional to 15,657,545.08, 21,607,451.22 and 9,135,658.36

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Solution

The fourth proportional to 15,657,545.08, 21,607,451.22 and 9,135,658.36 is: 12,607,231.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,657,545.08 : 21,607,451.22 = 9,135,658.36 : x
  2. Step 2: Convert to fraction form
    15,657,545.08/21,607,451.22 = 9,135,658.36/x
  3. Step 3: Cross multiply
    15,657,545.08x = 21,607,451.22 × 9,135,658.36
  4. Step 4: Simplify right side
    15,657,545.08x = 197,398,292,376,285.19
  5. Step 5: Solve for x
    x = 197,398,292,376,285.19/15,657,545.08
  6. Step 6: Final answer
    x = 12,607,231.30

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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.