Home / 15,572,220.02-21,486,545.61-8,695,644.02

Finding the Fourth Proportional to 15,572,220.02, 21,486,545.61 and 8,695,644.02

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Solution

The fourth proportional to 15,572,220.02, 21,486,545.61 and 8,695,644.02 is: 11,998,247.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,572,220.02 : 21,486,545.61 = 8,695,644.02 : x
  2. Step 2: Convert to fraction form
    15,572,220.02/21,486,545.61 = 8,695,644.02/x
  3. Step 3: Cross multiply
    15,572,220.02x = 21,486,545.61 × 8,695,644.02
  4. Step 4: Simplify right side
    15,572,220.02x = 186,839,351,844,053.75
  5. Step 5: Solve for x
    x = 186,839,351,844,053.75/15,572,220.02
  6. Step 6: Final answer
    x = 11,998,247.62

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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.