Home / 38,997,729.83-53,816,209.46-21,593,701.38

Finding the Fourth Proportional to 38,997,729.83, 53,816,209.46 and 21,593,701.38

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Solution

The fourth proportional to 38,997,729.83, 53,816,209.46 and 21,593,701.38 is: 29,798,943.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,997,729.83 : 53,816,209.46 = 21,593,701.38 : x
  2. Step 2: Convert to fraction form
    38,997,729.83/53,816,209.46 = 21,593,701.38/x
  3. Step 3: Cross multiply
    38,997,729.83x = 53,816,209.46 × 21,593,701.38
  4. Step 4: Simplify right side
    38,997,729.83x = 1,162,091,156,105,721.50
  5. Step 5: Solve for x
    x = 1,162,091,156,105,721.50/38,997,729.83
  6. Step 6: Final answer
    x = 29,798,943.72

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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.