Home / 7,340,909.40-11,011,364.10-7,214,938.20

Finding the Fourth Proportional to 7,340,909.40, 11,011,364.10 and 7,214,938.20

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Solution

The fourth proportional to 7,340,909.40, 11,011,364.10 and 7,214,938.20 is: 10,822,407.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,340,909.40 : 11,011,364.10 = 7,214,938.20 : x
  2. Step 2: Convert to fraction form
    7,340,909.40/11,011,364.10 = 7,214,938.20/x
  3. Step 3: Cross multiply
    7,340,909.40x = 11,011,364.10 × 7,214,938.20
  4. Step 4: Simplify right side
    7,340,909.40x = 79,446,311,479,198.62
  5. Step 5: Solve for x
    x = 79,446,311,479,198.62/7,340,909.40
  6. Step 6: Final answer
    x = 10,822,407.30

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Similar ratio
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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.