Home / 45,554,385.17-68,347,520.89-13,208,228.71

Finding the Fourth Proportional to 45,554,385.17, 68,347,520.89 and 13,208,228.71

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Solution

The fourth proportional to 45,554,385.17, 68,347,520.89 and 13,208,228.71 is: 19,816,965.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,554,385.17 : 68,347,520.89 = 13,208,228.71 : x
  2. Step 2: Convert to fraction form
    45,554,385.17/68,347,520.89 = 13,208,228.71/x
  3. Step 3: Cross multiply
    45,554,385.17x = 68,347,520.89 × 13,208,228.71
  4. Step 4: Simplify right side
    45,554,385.17x = 902,749,687,472,733.38
  5. Step 5: Solve for x
    x = 902,749,687,472,733.38/45,554,385.17
  6. Step 6: Final answer
    x = 19,816,965.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.