Home / 7,261,971-10,021,123.06-3,998,165.92

Finding the Fourth Proportional to 7,261,971, 10,021,123.06 and 3,998,165.92

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Solution

The fourth proportional to 7,261,971, 10,021,123.06 and 3,998,165.92 is: 5,517,250.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,261,971 : 10,021,123.06 = 3,998,165.92 : x
  2. Step 2: Convert to fraction form
    7,261,971/10,021,123.06 = 3,998,165.92/x
  3. Step 3: Cross multiply
    7,261,971x = 10,021,123.06 × 3,998,165.92
  4. Step 4: Simplify right side
    7,261,971x = 40,066,112,698,618.12
  5. Step 5: Solve for x
    x = 40,066,112,698,618.12/7,261,971
  6. Step 6: Final answer
    x = 5,517,250.44

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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.