Home / 10,137,432.54-13,989,540.33-5,491,129.98

Finding the Fourth Proportional to 10,137,432.54, 13,989,540.33 and 5,491,129.98

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Solution

The fourth proportional to 10,137,432.54, 13,989,540.33 and 5,491,129.98 is: 7,577,696.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,137,432.54 : 13,989,540.33 = 5,491,129.98 : x
  2. Step 2: Convert to fraction form
    10,137,432.54/13,989,540.33 = 5,491,129.98/x
  3. Step 3: Cross multiply
    10,137,432.54x = 13,989,540.33 × 5,491,129.98
  4. Step 4: Simplify right side
    10,137,432.54x = 76,818,384,312,482.09
  5. Step 5: Solve for x
    x = 76,818,384,312,482.09/10,137,432.54
  6. Step 6: Final answer
    x = 7,577,696.23

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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.