Home / 10,663,431.39-15,995,602.28-4,187,910.11

Finding the Fourth Proportional to 10,663,431.39, 15,995,602.28 and 4,187,910.11

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Solution

The fourth proportional to 10,663,431.39, 15,995,602.28 and 4,187,910.11 is: 6,282,043.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,663,431.39 : 15,995,602.28 = 4,187,910.11 : x
  2. Step 2: Convert to fraction form
    10,663,431.39/15,995,602.28 = 4,187,910.11/x
  3. Step 3: Cross multiply
    10,663,431.39x = 15,995,602.28 × 4,187,910.11
  4. Step 4: Simplify right side
    10,663,431.39x = 66,988,144,434,442.82
  5. Step 5: Solve for x
    x = 66,988,144,434,442.82/10,663,431.39
  6. Step 6: Final answer
    x = 6,282,043.93

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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.