Home / 18,893,351.70-28,340,027.55-6,115,148.10

Finding the Fourth Proportional to 18,893,351.70, 28,340,027.55 and 6,115,148.10

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Solution

The fourth proportional to 18,893,351.70, 28,340,027.55 and 6,115,148.10 is: 9,172,722.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,893,351.70 : 28,340,027.55 = 6,115,148.10 : x
  2. Step 2: Convert to fraction form
    18,893,351.70/28,340,027.55 = 6,115,148.10/x
  3. Step 3: Cross multiply
    18,893,351.70x = 28,340,027.55 × 6,115,148.10
  4. Step 4: Simplify right side
    18,893,351.70x = 173,303,465,626,330.16
  5. Step 5: Solve for x
    x = 173,303,465,626,330.16/18,893,351.70
  6. Step 6: Final answer
    x = 9,172,722.15

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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.