Home / 38,997,353.57-53,815,690.76-21,593,325.15

Finding the Fourth Proportional to 38,997,353.57, 53,815,690.76 and 21,593,325.15

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Solution

The fourth proportional to 38,997,353.57, 53,815,690.76 and 21,593,325.15 is: 29,798,424.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,997,353.57 : 53,815,690.76 = 21,593,325.15 : x
  2. Step 2: Convert to fraction form
    38,997,353.57/53,815,690.76 = 21,593,325.15/x
  3. Step 3: Cross multiply
    38,997,353.57x = 53,815,690.76 × 21,593,325.15
  4. Step 4: Simplify right side
    38,997,353.57x = 1,162,059,708,644,564
  5. Step 5: Solve for x
    x = 1,162,059,708,644,564/38,997,353.57
  6. Step 6: Final answer
    x = 29,798,424.83

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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.