Home / 12,266,209.80-18,399,314.70-11,071,816.20

Finding the Fourth Proportional to 12,266,209.80, 18,399,314.70 and 11,071,816.20

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Solution

The fourth proportional to 12,266,209.80, 18,399,314.70 and 11,071,816.20 is: 16,607,724.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,266,209.80 : 18,399,314.70 = 11,071,816.20 : x
  2. Step 2: Convert to fraction form
    12,266,209.80/18,399,314.70 = 11,071,816.20/x
  3. Step 3: Cross multiply
    12,266,209.80x = 18,399,314.70 × 11,071,816.20
  4. Step 4: Simplify right side
    12,266,209.80x = 203,713,830,564,358.12
  5. Step 5: Solve for x
    x = 203,713,830,564,358.12/12,266,209.80
  6. Step 6: Final answer
    x = 16,607,724.30

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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.