Home / 31,554,719.70-47,332,079.55-28,153,497.30

Finding the Fourth Proportional to 31,554,719.70, 47,332,079.55 and 28,153,497.30

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Solution

The fourth proportional to 31,554,719.70, 47,332,079.55 and 28,153,497.30 is: 42,230,245.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,554,719.70 : 47,332,079.55 = 28,153,497.30 : x
  2. Step 2: Convert to fraction form
    31,554,719.70/47,332,079.55 = 28,153,497.30/x
  3. Step 3: Cross multiply
    31,554,719.70x = 47,332,079.55 × 28,153,497.30
  4. Step 4: Simplify right side
    31,554,719.70x = 1,332,563,573,814,310.25
  5. Step 5: Solve for x
    x = 1,332,563,573,814,310.25/31,554,719.70
  6. Step 6: Final answer
    x = 42,230,245.95

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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.