Home / 38,566,676.13-53,225,318.61-21,166,384.92

Finding the Fourth Proportional to 38,566,676.13, 53,225,318.61 and 21,166,384.92

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Solution

The fourth proportional to 38,566,676.13, 53,225,318.61 and 21,166,384.92 is: 29,211,425.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,566,676.13 : 53,225,318.61 = 21,166,384.92 : x
  2. Step 2: Convert to fraction form
    38,566,676.13/53,225,318.61 = 21,166,384.92/x
  3. Step 3: Cross multiply
    38,566,676.13x = 53,225,318.61 × 21,166,384.92
  4. Step 4: Simplify right side
    38,566,676.13x = 1,126,587,581,188,899.50
  5. Step 5: Solve for x
    x = 1,126,587,581,188,899.50/38,566,676.13
  6. Step 6: Final answer
    x = 29,211,425.36

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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.