Home / 18,502,716.48-25,534,051.03-10,129,946.55

Finding the Fourth Proportional to 18,502,716.48, 25,534,051.03 and 10,129,946.55

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Solution

The fourth proportional to 18,502,716.48, 25,534,051.03 and 10,129,946.55 is: 13,979,491.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,502,716.48 : 25,534,051.03 = 10,129,946.55 : x
  2. Step 2: Convert to fraction form
    18,502,716.48/25,534,051.03 = 10,129,946.55/x
  3. Step 3: Cross multiply
    18,502,716.48x = 25,534,051.03 × 10,129,946.55
  4. Step 4: Simplify right side
    18,502,716.48x = 258,658,572,138,872.47
  5. Step 5: Solve for x
    x = 258,658,572,138,872.47/18,502,716.48
  6. Step 6: Final answer
    x = 13,979,491.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.