Home / 38,308,229.47-52,866,473.19-20,905,695.69

Finding the Fourth Proportional to 38,308,229.47, 52,866,473.19 and 20,905,695.69

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Solution

The fourth proportional to 38,308,229.47, 52,866,473.19 and 20,905,695.69 is: 28,850,469.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,308,229.47 : 52,866,473.19 = 20,905,695.69 : x
  2. Step 2: Convert to fraction form
    38,308,229.47/52,866,473.19 = 20,905,695.69/x
  3. Step 3: Cross multiply
    38,308,229.47x = 52,866,473.19 × 20,905,695.69
  4. Step 4: Simplify right side
    38,308,229.47x = 1,105,210,400,713,683.62
  5. Step 5: Solve for x
    x = 1,105,210,400,713,683.62/38,308,229.47
  6. Step 6: Final answer
    x = 28,850,469.36

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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.