Home / 18,349,418.90-27,545,123.55-10,780,649.30

Finding the Fourth Proportional to 18,349,418.90, 27,545,123.55 and 10,780,649.30

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Solution

The fourth proportional to 18,349,418.90, 27,545,123.55 and 10,780,649.30 is: 16,183,309.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,349,418.90 : 27,545,123.55 = 10,780,649.30 : x
  2. Step 2: Convert to fraction form
    18,349,418.90/27,545,123.55 = 10,780,649.30/x
  3. Step 3: Cross multiply
    18,349,418.90x = 27,545,123.55 × 10,780,649.30
  4. Step 4: Simplify right side
    18,349,418.90x = 296,954,316,917,721.06
  5. Step 5: Solve for x
    x = 296,954,316,917,721.06/18,349,418.90
  6. Step 6: Final answer
    x = 16,183,309.05

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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.