Home / 13,147,317.40-19,720,976.10-8,900,584.60

Finding the Fourth Proportional to 13,147,317.40, 19,720,976.10 and 8,900,584.60

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Solution

The fourth proportional to 13,147,317.40, 19,720,976.10 and 8,900,584.60 is: 13,350,876.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,147,317.40 : 19,720,976.10 = 8,900,584.60 : x
  2. Step 2: Convert to fraction form
    13,147,317.40/19,720,976.10 = 8,900,584.60/x
  3. Step 3: Cross multiply
    13,147,317.40x = 19,720,976.10 × 8,900,584.60
  4. Step 4: Simplify right side
    13,147,317.40x = 175,528,216,172,628.06
  5. Step 5: Solve for x
    x = 175,528,216,172,628.06/13,147,317.40
  6. Step 6: Final answer
    x = 13,350,876.90

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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.