Home / 21,581,486.74-29,782,404.84-11,792,000.62

Finding the Fourth Proportional to 21,581,486.74, 29,782,404.84 and 11,792,000.62

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Solution

The fourth proportional to 21,581,486.74, 29,782,404.84 and 11,792,000.62 is: 16,272,935.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,581,486.74 : 29,782,404.84 = 11,792,000.62 : x
  2. Step 2: Convert to fraction form
    21,581,486.74/29,782,404.84 = 11,792,000.62/x
  3. Step 3: Cross multiply
    21,581,486.74x = 29,782,404.84 × 11,792,000.62
  4. Step 4: Simplify right side
    21,581,486.74x = 351,194,136,338,371
  5. Step 5: Solve for x
    x = 351,194,136,338,371/21,581,486.74
  6. Step 6: Final answer
    x = 16,272,935.25

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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.