Home / 13,145,622.60-19,718,433.90-7,476,918.60

Finding the Fourth Proportional to 13,145,622.60, 19,718,433.90 and 7,476,918.60

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Solution

The fourth proportional to 13,145,622.60, 19,718,433.90 and 7,476,918.60 is: 11,215,377.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,145,622.60 : 19,718,433.90 = 7,476,918.60 : x
  2. Step 2: Convert to fraction form
    13,145,622.60/19,718,433.90 = 7,476,918.60/x
  3. Step 3: Cross multiply
    13,145,622.60x = 19,718,433.90 × 7,476,918.60
  4. Step 4: Simplify right side
    13,145,622.60x = 147,433,125,189,780.53
  5. Step 5: Solve for x
    x = 147,433,125,189,780.53/13,145,622.60
  6. Step 6: Final answer
    x = 11,215,377.90

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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.