Home / 17,246,012.80-25,869,019.20-5,115,913.60

Finding the Fourth Proportional to 17,246,012.80, 25,869,019.20 and 5,115,913.60

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Solution

The fourth proportional to 17,246,012.80, 25,869,019.20 and 5,115,913.60 is: 7,673,870.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,246,012.80 : 25,869,019.20 = 5,115,913.60 : x
  2. Step 2: Convert to fraction form
    17,246,012.80/25,869,019.20 = 5,115,913.60/x
  3. Step 3: Cross multiply
    17,246,012.80x = 25,869,019.20 × 5,115,913.60
  4. Step 4: Simplify right side
    17,246,012.80x = 132,343,667,143,941.11
  5. Step 5: Solve for x
    x = 132,343,667,143,941.11/17,246,012.80
  6. Step 6: Final answer
    x = 7,673,870.40

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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.