Home / 20,864,355.87-31,274,445.18-7,018,133.46

Finding the Fourth Proportional to 20,864,355.87, 31,274,445.18 and 7,018,133.46

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Solution

The fourth proportional to 20,864,355.87, 31,274,445.18 and 7,018,133.46 is: 10,519,770.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,864,355.87 : 31,274,445.18 = 7,018,133.46 : x
  2. Step 2: Convert to fraction form
    20,864,355.87/31,274,445.18 = 7,018,133.46/x
  3. Step 3: Cross multiply
    20,864,355.87x = 31,274,445.18 × 7,018,133.46
  4. Step 4: Simplify right side
    20,864,355.87x = 219,488,230,160,693.72
  5. Step 5: Solve for x
    x = 219,488,230,160,693.72/20,864,355.87
  6. Step 6: Final answer
    x = 10,519,770.25

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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.