Home / 38,689,151.28-53,391,026.52-21,285,122.73

Finding the Fourth Proportional to 38,689,151.28, 53,391,026.52 and 21,285,122.73

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Solution

The fourth proportional to 38,689,151.28, 53,391,026.52 and 21,285,122.73 is: 29,373,468.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,689,151.28 : 53,391,026.52 = 21,285,122.73 : x
  2. Step 2: Convert to fraction form
    38,689,151.28/53,391,026.52 = 21,285,122.73/x
  3. Step 3: Cross multiply
    38,689,151.28x = 53,391,026.52 × 21,285,122.73
  4. Step 4: Simplify right side
    38,689,151.28x = 1,136,434,552,158,885
  5. Step 5: Solve for x
    x = 1,136,434,552,158,885/38,689,151.28
  6. Step 6: Final answer
    x = 29,373,468.13

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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.