Home / 10,013,985.90-15,027,146.28-3,947,685.30

Finding the Fourth Proportional to 10,013,985.90, 15,027,146.28 and 3,947,685.30

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Solution

The fourth proportional to 10,013,985.90, 15,027,146.28 and 3,947,685.30 is: 5,923,959.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,013,985.90 : 15,027,146.28 = 3,947,685.30 : x
  2. Step 2: Convert to fraction form
    10,013,985.90/15,027,146.28 = 3,947,685.30/x
  3. Step 3: Cross multiply
    10,013,985.90x = 15,027,146.28 × 3,947,685.30
  4. Step 4: Simplify right side
    10,013,985.90x = 59,322,444,470,505.68
  5. Step 5: Solve for x
    x = 59,322,444,470,505.68/10,013,985.90
  6. Step 6: Final answer
    x = 5,923,959.26

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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.