Home / 31,510,279.80-47,265,419.88-9,960,016.32

Finding the Fourth Proportional to 31,510,279.80, 47,265,419.88 and 9,960,016.32

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Solution

The fourth proportional to 31,510,279.80, 47,265,419.88 and 9,960,016.32 is: 14,940,024.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,510,279.80 : 47,265,419.88 = 9,960,016.32 : x
  2. Step 2: Convert to fraction form
    31,510,279.80/47,265,419.88 = 9,960,016.32/x
  3. Step 3: Cross multiply
    31,510,279.80x = 47,265,419.88 × 9,960,016.32
  4. Step 4: Simplify right side
    31,510,279.80x = 470,764,353,376,452.50
  5. Step 5: Solve for x
    x = 470,764,353,376,452.50/31,510,279.80
  6. Step 6: Final answer
    x = 14,940,024.54

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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.