Home / 38,020,691.85-57,028,675.81-12,112,352.61

Finding the Fourth Proportional to 38,020,691.85, 57,028,675.81 and 12,112,352.61

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Solution

The fourth proportional to 38,020,691.85, 57,028,675.81 and 12,112,352.61 is: 18,167,776.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,020,691.85 : 57,028,675.81 = 12,112,352.61 : x
  2. Step 2: Convert to fraction form
    38,020,691.85/57,028,675.81 = 12,112,352.61/x
  3. Step 3: Cross multiply
    38,020,691.85x = 57,028,675.81 × 12,112,352.61
  4. Step 4: Simplify right side
    38,020,691.85x = 690,751,430,292,097.38
  5. Step 5: Solve for x
    x = 690,751,430,292,097.38/38,020,691.85
  6. Step 6: Final answer
    x = 18,167,776.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.