Home / 25,538,868-35,244,382.14-13,937,178.78

Finding the Fourth Proportional to 25,538,868, 35,244,382.14 and 13,937,178.78

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Solution

The fourth proportional to 25,538,868, 35,244,382.14 and 13,937,178.78 is: 19,233,712.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,538,868 : 35,244,382.14 = 13,937,178.78 : x
  2. Step 2: Convert to fraction form
    25,538,868/35,244,382.14 = 13,937,178.78/x
  3. Step 3: Cross multiply
    25,538,868x = 35,244,382.14 × 13,937,178.78
  4. Step 4: Simplify right side
    25,538,868x = 491,207,254,875,819
  5. Step 5: Solve for x
    x = 491,207,254,875,819/25,538,868
  6. Step 6: Final answer
    x = 19,233,712.90

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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.