Home / 6,642,780.20-9,964,170.30-6,075,909.80

Finding the Fourth Proportional to 6,642,780.20, 9,964,170.30 and 6,075,909.80

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Solution

The fourth proportional to 6,642,780.20, 9,964,170.30 and 6,075,909.80 is: 9,113,864.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,642,780.20 : 9,964,170.30 = 6,075,909.80 : x
  2. Step 2: Convert to fraction form
    6,642,780.20/9,964,170.30 = 6,075,909.80/x
  3. Step 3: Cross multiply
    6,642,780.20x = 9,964,170.30 × 6,075,909.80
  4. Step 4: Simplify right side
    6,642,780.20x = 60,541,399,974,638.95
  5. Step 5: Solve for x
    x = 60,541,399,974,638.95/6,642,780.20
  6. Step 6: Final answer
    x = 9,113,864.70

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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.