Home / 28,347,463.47-39,131,591.72-19,060,416.66

Finding the Fourth Proportional to 28,347,463.47, 39,131,591.72 and 19,060,416.66

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Solution

The fourth proportional to 28,347,463.47, 39,131,591.72 and 19,060,416.66 is: 26,311,505.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,347,463.47 : 39,131,591.72 = 19,060,416.66 : x
  2. Step 2: Convert to fraction form
    28,347,463.47/39,131,591.72 = 19,060,416.66/x
  3. Step 3: Cross multiply
    28,347,463.47x = 39,131,591.72 × 19,060,416.66
  4. Step 4: Simplify right side
    28,347,463.47x = 745,864,442,752,206
  5. Step 5: Solve for x
    x = 745,864,442,752,206/28,347,463.47
  6. Step 6: Final answer
    x = 26,311,505.56

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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.