Home / 38,308,296.76-52,866,565.97-20,905,762.91

Finding the Fourth Proportional to 38,308,296.76, 52,866,565.97 and 20,905,762.91

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Solution

The fourth proportional to 38,308,296.76, 52,866,565.97 and 20,905,762.91 is: 28,850,562.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,308,296.76 : 52,866,565.97 = 20,905,762.91 : x
  2. Step 2: Convert to fraction form
    38,308,296.76/52,866,565.97 = 20,905,762.91/x
  3. Step 3: Cross multiply
    38,308,296.76x = 52,866,565.97 × 20,905,762.91
  4. Step 4: Simplify right side
    38,308,296.76x = 1,105,215,893,665,832.62
  5. Step 5: Solve for x
    x = 1,105,215,893,665,832.62/38,308,296.76
  6. Step 6: Final answer
    x = 28,850,562.08

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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.