Home / 6,557,088.96-9,835,633.44-5,120,200.80

Finding the Fourth Proportional to 6,557,088.96, 9,835,633.44 and 5,120,200.80

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Solution

The fourth proportional to 6,557,088.96, 9,835,633.44 and 5,120,200.80 is: 7,680,301.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,557,088.96 : 9,835,633.44 = 5,120,200.80 : x
  2. Step 2: Convert to fraction form
    6,557,088.96/9,835,633.44 = 5,120,200.80/x
  3. Step 3: Cross multiply
    6,557,088.96x = 9,835,633.44 × 5,120,200.80
  4. Step 4: Simplify right side
    6,557,088.96x = 50,360,418,207,994.75
  5. Step 5: Solve for x
    x = 50,360,418,207,994.75/6,557,088.96
  6. Step 6: Final answer
    x = 7,680,301.20

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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.