Home / 31,424,231.32-47,136,373.44-15,025,657.48

Finding the Fourth Proportional to 31,424,231.32, 47,136,373.44 and 15,025,657.48

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Solution

The fourth proportional to 31,424,231.32, 47,136,373.44 and 15,025,657.48 is: 22,538,498.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,424,231.32 : 47,136,373.44 = 15,025,657.48 : x
  2. Step 2: Convert to fraction form
    31,424,231.32/47,136,373.44 = 15,025,657.48/x
  3. Step 3: Cross multiply
    31,424,231.32x = 47,136,373.44 × 15,025,657.48
  4. Step 4: Simplify right side
    31,424,231.32x = 708,255,002,158,809.38
  5. Step 5: Solve for x
    x = 708,255,002,158,809.38/31,424,231.32
  6. Step 6: Final answer
    x = 22,538,498.87

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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.