Home / 7,704,043.20-11,556,064.80-5,800,478.40

Finding the Fourth Proportional to 7,704,043.20, 11,556,064.80 and 5,800,478.40

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Solution

The fourth proportional to 7,704,043.20, 11,556,064.80 and 5,800,478.40 is: 8,700,717.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,704,043.20 : 11,556,064.80 = 5,800,478.40 : x
  2. Step 2: Convert to fraction form
    7,704,043.20/11,556,064.80 = 5,800,478.40/x
  3. Step 3: Cross multiply
    7,704,043.20x = 11,556,064.80 × 5,800,478.40
  4. Step 4: Simplify right side
    7,704,043.20x = 67,030,704,261,400.33
  5. Step 5: Solve for x
    x = 67,030,704,261,400.33/7,704,043.20
  6. Step 6: Final answer
    x = 8,700,717.60

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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.