Home / 15,028,911.14-20,739,937.59-8,153,393.20

Finding the Fourth Proportional to 15,028,911.14, 20,739,937.59 and 8,153,393.20

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Solution

The fourth proportional to 15,028,911.14, 20,739,937.59 and 8,153,393.20 is: 11,251,704.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,028,911.14 : 20,739,937.59 = 8,153,393.20 : x
  2. Step 2: Convert to fraction form
    15,028,911.14/20,739,937.59 = 8,153,393.20/x
  3. Step 3: Cross multiply
    15,028,911.14x = 20,739,937.59 × 8,153,393.20
  4. Step 4: Simplify right side
    15,028,911.14x = 169,100,866,062,880.53
  5. Step 5: Solve for x
    x = 169,100,866,062,880.53/15,028,911.14
  6. Step 6: Final answer
    x = 11,251,704.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.