Home / 7,488,002.40-11,232,003.60-6,620,200.80

Finding the Fourth Proportional to 7,488,002.40, 11,232,003.60 and 6,620,200.80

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Solution

The fourth proportional to 7,488,002.40, 11,232,003.60 and 6,620,200.80 is: 9,930,301.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,488,002.40 : 11,232,003.60 = 6,620,200.80 : x
  2. Step 2: Convert to fraction form
    7,488,002.40/11,232,003.60 = 6,620,200.80/x
  3. Step 3: Cross multiply
    7,488,002.40x = 11,232,003.60 × 6,620,200.80
  4. Step 4: Simplify right side
    7,488,002.40x = 74,358,119,218,322.88
  5. Step 5: Solve for x
    x = 74,358,119,218,322.88/7,488,002.40
  6. Step 6: Final answer
    x = 9,930,301.20

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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.