Home / 7,415,301.60-11,122,952.40-7,289,330.40

Finding the Fourth Proportional to 7,415,301.60, 11,122,952.40 and 7,289,330.40

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Solution

The fourth proportional to 7,415,301.60, 11,122,952.40 and 7,289,330.40 is: 10,933,995.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,415,301.60 : 11,122,952.40 = 7,289,330.40 : x
  2. Step 2: Convert to fraction form
    7,415,301.60/11,122,952.40 = 7,289,330.40/x
  3. Step 3: Cross multiply
    7,415,301.60x = 11,122,952.40 × 7,289,330.40
  4. Step 4: Simplify right side
    7,415,301.60x = 81,078,875,067,072.97
  5. Step 5: Solve for x
    x = 81,078,875,067,072.97/7,415,301.60
  6. Step 6: Final answer
    x = 10,933,995.60

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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.