Home / 7,261,984.08-10,021,140.90-3,998,178.90

Finding the Fourth Proportional to 7,261,984.08, 10,021,140.90 and 3,998,178.90

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Solution

The fourth proportional to 7,261,984.08, 10,021,140.90 and 3,998,178.90 is: 5,517,268.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,261,984.08 : 10,021,140.90 = 3,998,178.90 : x
  2. Step 2: Convert to fraction form
    7,261,984.08/10,021,140.90 = 3,998,178.90/x
  3. Step 3: Cross multiply
    7,261,984.08x = 10,021,140.90 × 3,998,178.90
  4. Step 4: Simplify right side
    7,261,984.08x = 40,066,314,100,307.01
  5. Step 5: Solve for x
    x = 40,066,314,100,307.01/7,261,984.08
  6. Step 6: Final answer
    x = 5,517,268.24

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.