Home / 10,381,382.40-15,572,073.60-5,902,406.40

Finding the Fourth Proportional to 10,381,382.40, 15,572,073.60 and 5,902,406.40

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Solution

The fourth proportional to 10,381,382.40, 15,572,073.60 and 5,902,406.40 is: 8,853,609.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,381,382.40 : 15,572,073.60 = 5,902,406.40 : x
  2. Step 2: Convert to fraction form
    10,381,382.40/15,572,073.60 = 5,902,406.40/x
  3. Step 3: Cross multiply
    10,381,382.40x = 15,572,073.60 × 5,902,406.40
  4. Step 4: Simplify right side
    10,381,382.40x = 91,912,706,877,911.05
  5. Step 5: Solve for x
    x = 91,912,706,877,911.05/10,381,382.40
  6. Step 6: Final answer
    x = 8,853,609.60

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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.