Home / 6,897,654.32-9,518,765.57-3,998,725.67

Finding the Fourth Proportional to 6,897,654.32, 9,518,765.57 and 3,998,725.67

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Solution

The fourth proportional to 6,897,654.32, 9,518,765.57 and 3,998,725.67 is: 5,518,242.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,897,654.32 : 9,518,765.57 = 3,998,725.67 : x
  2. Step 2: Convert to fraction form
    6,897,654.32/9,518,765.57 = 3,998,725.67/x
  3. Step 3: Cross multiply
    6,897,654.32x = 9,518,765.57 × 3,998,725.67
  4. Step 4: Simplify right side
    6,897,654.32x = 38,062,932,163,883.73
  5. Step 5: Solve for x
    x = 38,062,932,163,883.73/6,897,654.32
  6. Step 6: Final answer
    x = 5,518,242.93

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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.