Home / 7,791,427.80-11,687,141.70-4,921,646.40

Finding the Fourth Proportional to 7,791,427.80, 11,687,141.70 and 4,921,646.40

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Solution

The fourth proportional to 7,791,427.80, 11,687,141.70 and 4,921,646.40 is: 7,382,469.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,791,427.80 : 11,687,141.70 = 4,921,646.40 : x
  2. Step 2: Convert to fraction form
    7,791,427.80/11,687,141.70 = 4,921,646.40/x
  3. Step 3: Cross multiply
    7,791,427.80x = 11,687,141.70 × 4,921,646.40
  4. Step 4: Simplify right side
    7,791,427.80x = 57,519,978,874,094.88
  5. Step 5: Solve for x
    x = 57,519,978,874,094.88/7,791,427.80
  6. Step 6: Final answer
    x = 7,382,469.60

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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.