Home / 15,409,759.20-23,109,195.60-5,310,031.20

Finding the Fourth Proportional to 15,409,759.20, 23,109,195.60 and 5,310,031.20

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Solution

The fourth proportional to 15,409,759.20, 23,109,195.60 and 5,310,031.20 is: 7,963,171.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,409,759.20 : 23,109,195.60 = 5,310,031.20 : x
  2. Step 2: Convert to fraction form
    15,409,759.20/23,109,195.60 = 5,310,031.20/x
  3. Step 3: Cross multiply
    15,409,759.20x = 23,109,195.60 × 5,310,031.20
  4. Step 4: Simplify right side
    15,409,759.20x = 122,710,549,642,902.73
  5. Step 5: Solve for x
    x = 122,710,549,642,902.73/15,409,759.20
  6. Step 6: Final answer
    x = 7,963,171.13

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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.