Home / 8,750,423.80-13,125,635.70-7,952,606.20

Finding the Fourth Proportional to 8,750,423.80, 13,125,635.70 and 7,952,606.20

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Solution

The fourth proportional to 8,750,423.80, 13,125,635.70 and 7,952,606.20 is: 11,928,909.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,750,423.80 : 13,125,635.70 = 7,952,606.20 : x
  2. Step 2: Convert to fraction form
    8,750,423.80/13,125,635.70 = 7,952,606.20/x
  3. Step 3: Cross multiply
    8,750,423.80x = 13,125,635.70 × 7,952,606.20
  4. Step 4: Simplify right side
    8,750,423.80x = 104,383,011,846,761.34
  5. Step 5: Solve for x
    x = 104,383,011,846,761.34/8,750,423.80
  6. Step 6: Final answer
    x = 11,928,909.30

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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.