Home / 9,750,116.88-13,455,139.50-5,620,120.68

Finding the Fourth Proportional to 9,750,116.88, 13,455,139.50 and 5,620,120.68

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Solution

The fourth proportional to 9,750,116.88, 13,455,139.50 and 5,620,120.68 is: 7,755,753.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,750,116.88 : 13,455,139.50 = 5,620,120.68 : x
  2. Step 2: Convert to fraction form
    9,750,116.88/13,455,139.50 = 5,620,120.68/x
  3. Step 3: Cross multiply
    9,750,116.88x = 13,455,139.50 × 5,620,120.68
  4. Step 4: Simplify right side
    9,750,116.88x = 75,619,507,756,234.86
  5. Step 5: Solve for x
    x = 75,619,507,756,234.86/9,750,116.88
  6. Step 6: Final answer
    x = 7,755,753.98

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1.5x scale

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.