Home / 18,786,895.48-28,171,461.16-7,277,753.31

Finding the Fourth Proportional to 18,786,895.48, 28,171,461.16 and 7,277,753.31

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Solution

The fourth proportional to 18,786,895.48, 28,171,461.16 and 7,277,753.31 is: 10,913,189.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,786,895.48 : 28,171,461.16 = 7,277,753.31 : x
  2. Step 2: Convert to fraction form
    18,786,895.48/28,171,461.16 = 7,277,753.31/x
  3. Step 3: Cross multiply
    18,786,895.48x = 28,171,461.16 × 7,277,753.31
  4. Step 4: Simplify right side
    18,786,895.48x = 205,024,944,704,726.44
  5. Step 5: Solve for x
    x = 205,024,944,704,726.44/18,786,895.48
  6. Step 6: Final answer
    x = 10,913,189.19

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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.