Home / 11,065,973.20-16,581,245.10-7,275,027.40

Finding the Fourth Proportional to 11,065,973.20, 16,581,245.10 and 7,275,027.40

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Solution

The fourth proportional to 11,065,973.20, 16,581,245.10 and 7,275,027.40 is: 10,900,895.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,065,973.20 : 16,581,245.10 = 7,275,027.40 : x
  2. Step 2: Convert to fraction form
    11,065,973.20/16,581,245.10 = 7,275,027.40/x
  3. Step 3: Cross multiply
    11,065,973.20x = 16,581,245.10 × 7,275,027.40
  4. Step 4: Simplify right side
    11,065,973.20x = 120,629,012,428,615.75
  5. Step 5: Solve for x
    x = 120,629,012,428,615.75/11,065,973.20
  6. Step 6: Final answer
    x = 10,900,895.05

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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.