Home / 12,475,563.30-18,693,224.55-7,068,132.90

Finding the Fourth Proportional to 12,475,563.30, 18,693,224.55 and 7,068,132.90

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Solution

The fourth proportional to 12,475,563.30, 18,693,224.55 and 7,068,132.90 is: 10,590,799.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,475,563.30 : 18,693,224.55 = 7,068,132.90 : x
  2. Step 2: Convert to fraction form
    12,475,563.30/18,693,224.55 = 7,068,132.90/x
  3. Step 3: Cross multiply
    12,475,563.30x = 18,693,224.55 × 7,068,132.90
  4. Step 4: Simplify right side
    12,475,563.30x = 132,126,195,448,942.70
  5. Step 5: Solve for x
    x = 132,126,195,448,942.70/12,475,563.30
  6. Step 6: Final answer
    x = 10,590,799.97

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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.