Home / 11,780,426.40-17,645,756.40-9,789,770.40

Finding the Fourth Proportional to 11,780,426.40, 17,645,756.40 and 9,789,770.40

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Solution

The fourth proportional to 11,780,426.40, 17,645,756.40 and 9,789,770.40 is: 14,663,977.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,780,426.40 : 17,645,756.40 = 9,789,770.40 : x
  2. Step 2: Convert to fraction form
    11,780,426.40/17,645,756.40 = 9,789,770.40/x
  3. Step 3: Cross multiply
    11,780,426.40x = 17,645,756.40 × 9,789,770.40
  4. Step 4: Simplify right side
    11,780,426.40x = 172,747,903,690,330.56
  5. Step 5: Solve for x
    x = 172,747,903,690,330.56/11,780,426.40
  6. Step 6: Final answer
    x = 14,663,977.16

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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.