Home / 42,427,244.40-63,640,866.60-15,497,401.20

Finding the Fourth Proportional to 42,427,244.40, 63,640,866.60 and 15,497,401.20

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Solution

The fourth proportional to 42,427,244.40, 63,640,866.60 and 15,497,401.20 is: 23,246,101.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,427,244.40 : 63,640,866.60 = 15,497,401.20 : x
  2. Step 2: Convert to fraction form
    42,427,244.40/63,640,866.60 = 15,497,401.20/x
  3. Step 3: Cross multiply
    42,427,244.40x = 63,640,866.60 × 15,497,401.20
  4. Step 4: Simplify right side
    42,427,244.40x = 986,268,042,415,879.88
  5. Step 5: Solve for x
    x = 986,268,042,415,879.88/42,427,244.40
  6. Step 6: Final answer
    x = 23,246,101.80

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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.