Home / 7,911,716.80-11,867,575.20-7,344,846.40

Finding the Fourth Proportional to 7,911,716.80, 11,867,575.20 and 7,344,846.40

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Solution

The fourth proportional to 7,911,716.80, 11,867,575.20 and 7,344,846.40 is: 11,017,269.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,911,716.80 : 11,867,575.20 = 7,344,846.40 : x
  2. Step 2: Convert to fraction form
    7,911,716.80/11,867,575.20 = 7,344,846.40/x
  3. Step 3: Cross multiply
    7,911,716.80x = 11,867,575.20 × 7,344,846.40
  4. Step 4: Simplify right side
    7,911,716.80x = 87,165,516,984,449.28
  5. Step 5: Solve for x
    x = 87,165,516,984,449.28/7,911,716.80
  6. Step 6: Final answer
    x = 11,017,269.60

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1.5x scale

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.