Home / 38,528,951.31-53,172,341.60-21,359,543.31

Finding the Fourth Proportional to 38,528,951.31, 53,172,341.60 and 21,359,543.31

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Solution

The fourth proportional to 38,528,951.31, 53,172,341.60 and 21,359,543.31 is: 29,477,494.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,528,951.31 : 53,172,341.60 = 21,359,543.31 : x
  2. Step 2: Convert to fraction form
    38,528,951.31/53,172,341.60 = 21,359,543.31/x
  3. Step 3: Cross multiply
    38,528,951.31x = 53,172,341.60 × 21,359,543.31
  4. Step 4: Simplify right side
    38,528,951.31x = 1,135,736,933,192,517
  5. Step 5: Solve for x
    x = 1,135,736,933,192,517/38,528,951.31
  6. Step 6: Final answer
    x = 29,477,494.06

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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.