Home / 28,812,204.90-43,215,124.28-7,246,815.12

Finding the Fourth Proportional to 28,812,204.90, 43,215,124.28 and 7,246,815.12

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Solution

The fourth proportional to 28,812,204.90, 43,215,124.28 and 7,246,815.12 is: 10,869,422.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,812,204.90 : 43,215,124.28 = 7,246,815.12 : x
  2. Step 2: Convert to fraction form
    28,812,204.90/43,215,124.28 = 7,246,815.12/x
  3. Step 3: Cross multiply
    28,812,204.90x = 43,215,124.28 × 7,246,815.12
  4. Step 4: Simplify right side
    28,812,204.90x = 313,172,016,008,749.06
  5. Step 5: Solve for x
    x = 313,172,016,008,749.06/28,812,204.90
  6. Step 6: Final answer
    x = 10,869,422.08

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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.