Home / 12,127,935.80-18,191,903.70-11,251,058.15

Finding the Fourth Proportional to 12,127,935.80, 18,191,903.70 and 11,251,058.15

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Solution

The fourth proportional to 12,127,935.80, 18,191,903.70 and 11,251,058.15 is: 16,876,587.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,127,935.80 : 18,191,903.70 = 11,251,058.15 : x
  2. Step 2: Convert to fraction form
    12,127,935.80/18,191,903.70 = 11,251,058.15/x
  3. Step 3: Cross multiply
    12,127,935.80x = 18,191,903.70 × 11,251,058.15
  4. Step 4: Simplify right side
    12,127,935.80x = 204,678,166,387,900.16
  5. Step 5: Solve for x
    x = 204,678,166,387,900.16/12,127,935.80
  6. Step 6: Final answer
    x = 16,876,587.23

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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.