Home / 12,571,864-17,348,355.84-7,414,043.20

Finding the Fourth Proportional to 12,571,864, 17,348,355.84 and 7,414,043.20

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Solution

The fourth proportional to 12,571,864, 17,348,355.84 and 7,414,043.20 is: 10,230,898.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,571,864 : 17,348,355.84 = 7,414,043.20 : x
  2. Step 2: Convert to fraction form
    12,571,864/17,348,355.84 = 7,414,043.20/x
  3. Step 3: Cross multiply
    12,571,864x = 17,348,355.84 × 7,414,043.20
  4. Step 4: Simplify right side
    12,571,864x = 128,621,459,646,732.30
  5. Step 5: Solve for x
    x = 128,621,459,646,732.30/12,571,864
  6. Step 6: Final answer
    x = 10,230,898.11

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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.