Home / 18,438,823.19-25,444,909.15-10,178,708.13

Finding the Fourth Proportional to 18,438,823.19, 25,444,909.15 and 10,178,708.13

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Solution

The fourth proportional to 18,438,823.19, 25,444,909.15 and 10,178,708.13 is: 14,046,249.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,438,823.19 : 25,444,909.15 = 10,178,708.13 : x
  2. Step 2: Convert to fraction form
    18,438,823.19/25,444,909.15 = 10,178,708.13/x
  3. Step 3: Cross multiply
    18,438,823.19x = 25,444,909.15 × 10,178,708.13
  4. Step 4: Simplify right side
    18,438,823.19x = 258,996,303,606,769.66
  5. Step 5: Solve for x
    x = 258,996,303,606,769.66/18,438,823.19
  6. Step 6: Final answer
    x = 14,046,249.10

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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.