Home / 7,488,189.40-11,232,284.10-7,413,539.80

Finding the Fourth Proportional to 7,488,189.40, 11,232,284.10 and 7,413,539.80

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Solution

The fourth proportional to 7,488,189.40, 11,232,284.10 and 7,413,539.80 is: 11,120,309.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,488,189.40 : 11,232,284.10 = 7,413,539.80 : x
  2. Step 2: Convert to fraction form
    7,488,189.40/11,232,284.10 = 7,413,539.80/x
  3. Step 3: Cross multiply
    7,488,189.40x = 11,232,284.10 × 7,413,539.80
  4. Step 4: Simplify right side
    7,488,189.40x = 83,270,985,220,257.17
  5. Step 5: Solve for x
    x = 83,270,985,220,257.17/7,488,189.40
  6. Step 6: Final answer
    x = 11,120,309.70

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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.