Home / 38,957,737.86-53,763,260.76-21,553,799.63

Finding the Fourth Proportional to 38,957,737.86, 53,763,260.76 and 21,553,799.63

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Solution

The fourth proportional to 38,957,737.86, 53,763,260.76 and 21,553,799.63 is: 29,745,119.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,957,737.86 : 53,763,260.76 = 21,553,799.63 : x
  2. Step 2: Convert to fraction form
    38,957,737.86/53,763,260.76 = 21,553,799.63/x
  3. Step 3: Cross multiply
    38,957,737.86x = 53,763,260.76 × 21,553,799.63
  4. Step 4: Simplify right side
    38,957,737.86x = 1,158,802,549,607,665.25
  5. Step 5: Solve for x
    x = 1,158,802,549,607,665.25/38,957,737.86
  6. Step 6: Final answer
    x = 29,745,119.03

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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.