Home / 13,766,538.60-20,655,712.80-7,034,952.60

Finding the Fourth Proportional to 13,766,538.60, 20,655,712.80 and 7,034,952.60

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Solution

The fourth proportional to 13,766,538.60, 20,655,712.80 and 7,034,952.60 is: 10,555,446.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,766,538.60 : 20,655,712.80 = 7,034,952.60 : x
  2. Step 2: Convert to fraction form
    13,766,538.60/20,655,712.80 = 7,034,952.60/x
  3. Step 3: Cross multiply
    13,766,538.60x = 20,655,712.80 × 7,034,952.60
  4. Step 4: Simplify right side
    13,766,538.60x = 145,311,960,467,213.28
  5. Step 5: Solve for x
    x = 145,311,960,467,213.28/13,766,538.60
  6. Step 6: Final answer
    x = 10,555,446.41

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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.