Home / 12,266,487.70-18,399,731.55-9,875,003.20

Finding the Fourth Proportional to 12,266,487.70, 18,399,731.55 and 9,875,003.20

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Solution

The fourth proportional to 12,266,487.70, 18,399,731.55 and 9,875,003.20 is: 14,812,504.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,266,487.70 : 18,399,731.55 = 9,875,003.20 : x
  2. Step 2: Convert to fraction form
    12,266,487.70/18,399,731.55 = 9,875,003.20/x
  3. Step 3: Cross multiply
    12,266,487.70x = 18,399,731.55 × 9,875,003.20
  4. Step 4: Simplify right side
    12,266,487.70x = 181,697,407,935,390.97
  5. Step 5: Solve for x
    x = 181,697,407,935,390.97/12,266,487.70
  6. Step 6: Final answer
    x = 14,812,504.80

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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.