Home / 7,649,307.30-10,552,881.12-4,551,211.20

Finding the Fourth Proportional to 7,649,307.30, 10,552,881.12 and 4,551,211.20

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Solution

The fourth proportional to 7,649,307.30, 10,552,881.12 and 4,551,211.20 is: 6,278,789.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,649,307.30 : 10,552,881.12 = 4,551,211.20 : x
  2. Step 2: Convert to fraction form
    7,649,307.30/10,552,881.12 = 4,551,211.20/x
  3. Step 3: Cross multiply
    7,649,307.30x = 10,552,881.12 × 4,551,211.20
  4. Step 4: Simplify right side
    7,649,307.30x = 48,028,390,745,612.54
  5. Step 5: Solve for x
    x = 48,028,390,745,612.54/7,649,307.30
  6. Step 6: Final answer
    x = 6,278,789.55

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.