Home / 18,131,320.16-27,179,881.92-9,024,808

Finding the Fourth Proportional to 18,131,320.16, 27,179,881.92 and 9,024,808

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Solution

The fourth proportional to 18,131,320.16, 27,179,881.92 and 9,024,808 is: 13,528,701.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,131,320.16 : 27,179,881.92 = 9,024,808 : x
  2. Step 2: Convert to fraction form
    18,131,320.16/27,179,881.92 = 9,024,808/x
  3. Step 3: Cross multiply
    18,131,320.16x = 27,179,881.92 × 9,024,808
  4. Step 4: Simplify right side
    18,131,320.16x = 245,293,215,790,671.38
  5. Step 5: Solve for x
    x = 245,293,215,790,671.38/18,131,320.16
  6. Step 6: Final answer
    x = 13,528,701.36

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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.