Home / 12,543,439.86-17,317,367.38-7,901,204.30

Finding the Fourth Proportional to 12,543,439.86, 17,317,367.38 and 7,901,204.30

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Solution

The fourth proportional to 12,543,439.86, 17,317,367.38 and 7,901,204.30 is: 10,908,336.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,543,439.86 : 17,317,367.38 = 7,901,204.30 : x
  2. Step 2: Convert to fraction form
    12,543,439.86/17,317,367.38 = 7,901,204.30/x
  3. Step 3: Cross multiply
    12,543,439.86x = 17,317,367.38 × 7,901,204.30
  4. Step 4: Simplify right side
    12,543,439.86x = 136,828,057,607,535.72
  5. Step 5: Solve for x
    x = 136,828,057,607,535.72/12,543,439.86
  6. Step 6: Final answer
    x = 10,908,336.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.