Home / 7,432,776.40-11,149,164.60-6,653,329.60

Finding the Fourth Proportional to 7,432,776.40, 11,149,164.60 and 6,653,329.60

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Solution

The fourth proportional to 7,432,776.40, 11,149,164.60 and 6,653,329.60 is: 9,979,994.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,432,776.40 : 11,149,164.60 = 6,653,329.60 : x
  2. Step 2: Convert to fraction form
    7,432,776.40/11,149,164.60 = 6,653,329.60/x
  3. Step 3: Cross multiply
    7,432,776.40x = 11,149,164.60 × 6,653,329.60
  4. Step 4: Simplify right side
    7,432,776.40x = 74,179,066,848,452.16
  5. Step 5: Solve for x
    x = 74,179,066,848,452.16/7,432,776.40
  6. Step 6: Final answer
    x = 9,979,994.40

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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.