Home / 9,978,943.20-14,968,414.80-8,969,205.30

Finding the Fourth Proportional to 9,978,943.20, 14,968,414.80 and 8,969,205.30

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Solution

The fourth proportional to 9,978,943.20, 14,968,414.80 and 8,969,205.30 is: 13,453,807.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,978,943.20 : 14,968,414.80 = 8,969,205.30 : x
  2. Step 2: Convert to fraction form
    9,978,943.20/14,968,414.80 = 8,969,205.30/x
  3. Step 3: Cross multiply
    9,978,943.20x = 14,968,414.80 × 8,969,205.30
  4. Step 4: Simplify right side
    9,978,943.20x = 134,254,785,356,758.45
  5. Step 5: Solve for x
    x = 134,254,785,356,758.45/9,978,943.20
  6. Step 6: Final answer
    x = 13,453,807.95

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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.