Home / 11,818,870.40-17,728,305.60-9,803,331.20

Finding the Fourth Proportional to 11,818,870.40, 17,728,305.60 and 9,803,331.20

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Solution

The fourth proportional to 11,818,870.40, 17,728,305.60 and 9,803,331.20 is: 14,704,996.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,818,870.40 : 17,728,305.60 = 9,803,331.20 : x
  2. Step 2: Convert to fraction form
    11,818,870.40/17,728,305.60 = 9,803,331.20/x
  3. Step 3: Cross multiply
    11,818,870.40x = 17,728,305.60 × 9,803,331.20
  4. Step 4: Simplify right side
    11,818,870.40x = 173,796,451,411,614.72
  5. Step 5: Solve for x
    x = 173,796,451,411,614.72/11,818,870.40
  6. Step 6: Final answer
    x = 14,704,996.80

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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.