Home / 10,087,890.60-15,131,835.90-9,308,443.80

Finding the Fourth Proportional to 10,087,890.60, 15,131,835.90 and 9,308,443.80

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Solution

The fourth proportional to 10,087,890.60, 15,131,835.90 and 9,308,443.80 is: 13,962,665.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,087,890.60 : 15,131,835.90 = 9,308,443.80 : x
  2. Step 2: Convert to fraction form
    10,087,890.60/15,131,835.90 = 9,308,443.80/x
  3. Step 3: Cross multiply
    10,087,890.60x = 15,131,835.90 × 9,308,443.80
  4. Step 4: Simplify right side
    10,087,890.60x = 140,853,844,065,972.44
  5. Step 5: Solve for x
    x = 140,853,844,065,972.44/10,087,890.60
  6. Step 6: Final answer
    x = 13,962,665.70

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1.5x scale

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.