Home / 12,266,325.20-18,399,487.80-9,874,840.70

Finding the Fourth Proportional to 12,266,325.20, 18,399,487.80 and 9,874,840.70

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Solution

The fourth proportional to 12,266,325.20, 18,399,487.80 and 9,874,840.70 is: 14,812,261.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,266,325.20 : 18,399,487.80 = 9,874,840.70 : x
  2. Step 2: Convert to fraction form
    12,266,325.20/18,399,487.80 = 9,874,840.70/x
  3. Step 3: Cross multiply
    12,266,325.20x = 18,399,487.80 × 9,874,840.70
  4. Step 4: Simplify right side
    12,266,325.20x = 181,692,010,986,593.47
  5. Step 5: Solve for x
    x = 181,692,010,986,593.47/12,266,325.20
  6. Step 6: Final answer
    x = 14,812,261.05

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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.