Home / 12,474,123.30-18,709,435.35-3,955,320.90

Finding the Fourth Proportional to 12,474,123.30, 18,709,435.35 and 3,955,320.90

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Solution

The fourth proportional to 12,474,123.30, 18,709,435.35 and 3,955,320.90 is: 5,932,426.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,474,123.30 : 18,709,435.35 = 3,955,320.90 : x
  2. Step 2: Convert to fraction form
    12,474,123.30/18,709,435.35 = 3,955,320.90/x
  3. Step 3: Cross multiply
    12,474,123.30x = 18,709,435.35 × 3,955,320.90
  4. Step 4: Simplify right side
    12,474,123.30x = 74,001,820,667,053.81
  5. Step 5: Solve for x
    x = 74,001,820,667,053.81/12,474,123.30
  6. Step 6: Final answer
    x = 5,932,426.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.