Home / 6,897,850.38-9,519,035.90-3,998,921.67

Finding the Fourth Proportional to 6,897,850.38, 9,519,035.90 and 3,998,921.67

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Solution

The fourth proportional to 6,897,850.38, 9,519,035.90 and 3,998,921.67 is: 5,518,513.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,897,850.38 : 9,519,035.90 = 3,998,921.67 : x
  2. Step 2: Convert to fraction form
    6,897,850.38/9,519,035.90 = 3,998,921.67/x
  3. Step 3: Cross multiply
    6,897,850.38x = 9,519,035.90 × 3,998,921.67
  4. Step 4: Simplify right side
    6,897,850.38x = 38,065,878,918,023.34
  5. Step 5: Solve for x
    x = 38,065,878,918,023.34/6,897,850.38
  6. Step 6: Final answer
    x = 5,518,513.28

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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.