Home / 31,475,295.50-47,160,747.89-19,141,953.85

Finding the Fourth Proportional to 31,475,295.50, 47,160,747.89 and 19,141,953.85

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Solution

The fourth proportional to 31,475,295.50, 47,160,747.89 and 19,141,953.85 is: 28,681,187.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,475,295.50 : 47,160,747.89 = 19,141,953.85 : x
  2. Step 2: Convert to fraction form
    31,475,295.50/47,160,747.89 = 19,141,953.85/x
  3. Step 3: Cross multiply
    31,475,295.50x = 47,160,747.89 × 19,141,953.85
  4. Step 4: Simplify right side
    31,475,295.50x = 902,748,859,310,351.25
  5. Step 5: Solve for x
    x = 902,748,859,310,351.25/31,475,295.50
  6. Step 6: Final answer
    x = 28,681,187.74

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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.