Home / 7,100,999.20-10,651,498.80-4,550,082.40

Finding the Fourth Proportional to 7,100,999.20, 10,651,498.80 and 4,550,082.40

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Solution

The fourth proportional to 7,100,999.20, 10,651,498.80 and 4,550,082.40 is: 6,825,123.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,100,999.20 : 10,651,498.80 = 4,550,082.40 : x
  2. Step 2: Convert to fraction form
    7,100,999.20/10,651,498.80 = 4,550,082.40/x
  3. Step 3: Cross multiply
    7,100,999.20x = 10,651,498.80 × 4,550,082.40
  4. Step 4: Simplify right side
    7,100,999.20x = 48,465,197,223,501.12
  5. Step 5: Solve for x
    x = 48,465,197,223,501.12/7,100,999.20
  6. Step 6: Final answer
    x = 6,825,123.60

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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.