Home / 22,053,285.71-30,429,074.45-12,884,156.99

Finding the Fourth Proportional to 22,053,285.71, 30,429,074.45 and 12,884,156.99

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Solution

The fourth proportional to 22,053,285.71, 30,429,074.45 and 12,884,156.99 is: 17,777,531.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,053,285.71 : 30,429,074.45 = 12,884,156.99 : x
  2. Step 2: Convert to fraction form
    22,053,285.71/30,429,074.45 = 12,884,156.99/x
  3. Step 3: Cross multiply
    22,053,285.71x = 30,429,074.45 × 12,884,156.99
  4. Step 4: Simplify right side
    22,053,285.71x = 392,052,972,209,777.12
  5. Step 5: Solve for x
    x = 392,052,972,209,777.12/22,053,285.71
  6. Step 6: Final answer
    x = 17,777,531.08

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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.