Home / 18,613,811.12-25,678,663.88-10,875,374

Finding the Fourth Proportional to 18,613,811.12, 25,678,663.88 and 10,875,374

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Solution

The fourth proportional to 18,613,811.12, 25,678,663.88 and 10,875,374 is: 15,003,110.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,613,811.12 : 25,678,663.88 = 10,875,374 : x
  2. Step 2: Convert to fraction form
    18,613,811.12/25,678,663.88 = 10,875,374/x
  3. Step 3: Cross multiply
    18,613,811.12x = 25,678,663.88 × 10,875,374
  4. Step 4: Simplify right side
    18,613,811.12x = 279,265,073,515,291.09
  5. Step 5: Solve for x
    x = 279,265,073,515,291.09/18,613,811.12
  6. Step 6: Final answer
    x = 15,003,110.95

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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.