Home / 31,591,192.74-47,386,789.23-7,656,664.74

Finding the Fourth Proportional to 31,591,192.74, 47,386,789.23 and 7,656,664.74

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Solution

The fourth proportional to 31,591,192.74, 47,386,789.23 and 7,656,664.74 is: 11,484,997.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,591,192.74 : 47,386,789.23 = 7,656,664.74 : x
  2. Step 2: Convert to fraction form
    31,591,192.74/47,386,789.23 = 7,656,664.74/x
  3. Step 3: Cross multiply
    31,591,192.74x = 47,386,789.23 × 7,656,664.74
  4. Step 4: Simplify right side
    31,591,192.74x = 362,824,758,239,152.75
  5. Step 5: Solve for x
    x = 362,824,758,239,152.75/31,591,192.74
  6. Step 6: Final answer
    x = 11,484,997.14

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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.