Home / 31,724,860.35-47,586,905.11-8,695,775.47

Finding the Fourth Proportional to 31,724,860.35, 47,586,905.11 and 8,695,775.47

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Solution

The fourth proportional to 31,724,860.35, 47,586,905.11 and 8,695,775.47 is: 13,043,557.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,724,860.35 : 47,586,905.11 = 8,695,775.47 : x
  2. Step 2: Convert to fraction form
    31,724,860.35/47,586,905.11 = 8,695,775.47/x
  3. Step 3: Cross multiply
    31,724,860.35x = 47,586,905.11 × 8,695,775.47
  4. Step 4: Simplify right side
    31,724,860.35x = 413,805,042,148,755.69
  5. Step 5: Solve for x
    x = 413,805,042,148,755.69/31,724,860.35
  6. Step 6: Final answer
    x = 13,043,557.56

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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.