Home / 12,543,461.88-17,317,397.73-7,901,226.33

Finding the Fourth Proportional to 12,543,461.88, 17,317,397.73 and 7,901,226.33

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Solution

The fourth proportional to 12,543,461.88, 17,317,397.73 and 7,901,226.33 is: 10,908,366.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,543,461.88 : 17,317,397.73 = 7,901,226.33 : x
  2. Step 2: Convert to fraction form
    12,543,461.88/17,317,397.73 = 7,901,226.33/x
  3. Step 3: Cross multiply
    12,543,461.88x = 17,317,397.73 × 7,901,226.33
  4. Step 4: Simplify right side
    12,543,461.88x = 136,828,678,924,757.97
  5. Step 5: Solve for x
    x = 136,828,678,924,757.97/12,543,461.88
  6. Step 6: Final answer
    x = 10,908,366.47

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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.