Home / 7,118,352.28-10,679,348.49-2,069,662.78

Finding the Fourth Proportional to 7,118,352.28, 10,679,348.49 and 2,069,662.78

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Solution

The fourth proportional to 7,118,352.28, 10,679,348.49 and 2,069,662.78 is: 3,105,023.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,118,352.28 : 10,679,348.49 = 2,069,662.78 : x
  2. Step 2: Convert to fraction form
    7,118,352.28/10,679,348.49 = 2,069,662.78/x
  3. Step 3: Cross multiply
    7,118,352.28x = 10,679,348.49 × 2,069,662.78
  4. Step 4: Simplify right side
    7,118,352.28x = 22,102,650,084,402.20
  5. Step 5: Solve for x
    x = 22,102,650,084,402.20/7,118,352.28
  6. Step 6: Final answer
    x = 3,105,023.36

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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.