Home / 18,717,672.30-28,076,508.45-5,252,750.70

Finding the Fourth Proportional to 18,717,672.30, 28,076,508.45 and 5,252,750.70

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Solution

The fourth proportional to 18,717,672.30, 28,076,508.45 and 5,252,750.70 is: 7,879,126.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,717,672.30 : 28,076,508.45 = 5,252,750.70 : x
  2. Step 2: Convert to fraction form
    18,717,672.30/28,076,508.45 = 5,252,750.70/x
  3. Step 3: Cross multiply
    18,717,672.30x = 28,076,508.45 × 5,252,750.70
  4. Step 4: Simplify right side
    18,717,672.30x = 147,478,899,414,293.41
  5. Step 5: Solve for x
    x = 147,478,899,414,293.41/18,717,672.30
  6. Step 6: Final answer
    x = 7,879,126.05

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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.