Home / 7,228,016.40-10,854,466.20-5,112,944.40

Finding the Fourth Proportional to 7,228,016.40, 10,854,466.20 and 5,112,944.40

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Solution

The fourth proportional to 7,228,016.40, 10,854,466.20 and 5,112,944.40 is: 7,678,217.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,228,016.40 : 10,854,466.20 = 5,112,944.40 : x
  2. Step 2: Convert to fraction form
    7,228,016.40/10,854,466.20 = 5,112,944.40/x
  3. Step 3: Cross multiply
    7,228,016.40x = 10,854,466.20 × 5,112,944.40
  4. Step 4: Simplify right side
    7,228,016.40x = 55,498,282,172,279.28
  5. Step 5: Solve for x
    x = 55,498,282,172,279.28/7,228,016.40
  6. Step 6: Final answer
    x = 7,678,217.52

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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.