Home / 31,475,288.25-47,160,737.01-19,141,946.57

Finding the Fourth Proportional to 31,475,288.25, 47,160,737.01 and 19,141,946.57

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Solution

The fourth proportional to 31,475,288.25, 47,160,737.01 and 19,141,946.57 is: 28,681,176.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,475,288.25 : 47,160,737.01 = 19,141,946.57 : x
  2. Step 2: Convert to fraction form
    31,475,288.25/47,160,737.01 = 19,141,946.57/x
  3. Step 3: Cross multiply
    31,475,288.25x = 47,160,737.01 × 19,141,946.57
  4. Step 4: Simplify right side
    31,475,288.25x = 902,748,308,165,143.38
  5. Step 5: Solve for x
    x = 902,748,308,165,143.38/31,475,288.25
  6. Step 6: Final answer
    x = 28,681,176.83

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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.