Home / 9,266,998.20-13,900,497.30-7,660,865.40

Finding the Fourth Proportional to 9,266,998.20, 13,900,497.30 and 7,660,865.40

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Solution

The fourth proportional to 9,266,998.20, 13,900,497.30 and 7,660,865.40 is: 11,491,298.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,266,998.20 : 13,900,497.30 = 7,660,865.40 : x
  2. Step 2: Convert to fraction form
    9,266,998.20/13,900,497.30 = 7,660,865.40/x
  3. Step 3: Cross multiply
    9,266,998.20x = 13,900,497.30 × 7,660,865.40
  4. Step 4: Simplify right side
    9,266,998.20x = 106,489,838,808,363.44
  5. Step 5: Solve for x
    x = 106,489,838,808,363.44/9,266,998.20
  6. Step 6: Final answer
    x = 11,491,298.10

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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.