Home / 12,474,428.70-18,711,643.05-11,541,308.70

Finding the Fourth Proportional to 12,474,428.70, 18,711,643.05 and 11,541,308.70

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Solution

The fourth proportional to 12,474,428.70, 18,711,643.05 and 11,541,308.70 is: 17,311,963.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,474,428.70 : 18,711,643.05 = 11,541,308.70 : x
  2. Step 2: Convert to fraction form
    12,474,428.70/18,711,643.05 = 11,541,308.70/x
  3. Step 3: Cross multiply
    12,474,428.70x = 18,711,643.05 × 11,541,308.70
  4. Step 4: Simplify right side
    12,474,428.70x = 215,956,848,724,259.53
  5. Step 5: Solve for x
    x = 215,956,848,724,259.53/12,474,428.70
  6. Step 6: Final answer
    x = 17,311,963.05

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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.