Home / 25,378,864.56-35,022,877.56-13,776,435.92

Finding the Fourth Proportional to 25,378,864.56, 35,022,877.56 and 13,776,435.92

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Solution

The fourth proportional to 25,378,864.56, 35,022,877.56 and 13,776,435.92 is: 19,011,505.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,378,864.56 : 35,022,877.56 = 13,776,435.92 : x
  2. Step 2: Convert to fraction form
    25,378,864.56/35,022,877.56 = 13,776,435.92/x
  3. Step 3: Cross multiply
    25,378,864.56x = 35,022,877.56 × 13,776,435.92
  4. Step 4: Simplify right side
    25,378,864.56x = 482,490,428,439,346
  5. Step 5: Solve for x
    x = 482,490,428,439,346/25,378,864.56
  6. Step 6: Final answer
    x = 19,011,505.71

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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.