Home / 7,488,128.20-11,232,192.30-6,228,416.20

Finding the Fourth Proportional to 7,488,128.20, 11,232,192.30 and 6,228,416.20

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Solution

The fourth proportional to 7,488,128.20, 11,232,192.30 and 6,228,416.20 is: 9,342,624.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,488,128.20 : 11,232,192.30 = 6,228,416.20 : x
  2. Step 2: Convert to fraction form
    7,488,128.20/11,232,192.30 = 6,228,416.20/x
  3. Step 3: Cross multiply
    7,488,128.20x = 11,232,192.30 × 6,228,416.20
  4. Step 4: Simplify right side
    7,488,128.20x = 69,958,768,482,835.27
  5. Step 5: Solve for x
    x = 69,958,768,482,835.27/7,488,128.20
  6. Step 6: Final answer
    x = 9,342,624.30

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Double scale
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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.