Home / 14,485,322.70-21,730,608.45-7,278,720.30

Finding the Fourth Proportional to 14,485,322.70, 21,730,608.45 and 7,278,720.30

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Solution

The fourth proportional to 14,485,322.70, 21,730,608.45 and 7,278,720.30 is: 10,919,399.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,485,322.70 : 21,730,608.45 = 7,278,720.30 : x
  2. Step 2: Convert to fraction form
    14,485,322.70/21,730,608.45 = 7,278,720.30/x
  3. Step 3: Cross multiply
    14,485,322.70x = 21,730,608.45 × 7,278,720.30
  4. Step 4: Simplify right side
    14,485,322.70x = 158,171,020,856,366.53
  5. Step 5: Solve for x
    x = 158,171,020,856,366.53/14,485,322.70
  6. Step 6: Final answer
    x = 10,919,399.18

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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.