Home / 28,987,031.52-43,500,103.68-11,947,327.20

Finding the Fourth Proportional to 28,987,031.52, 43,500,103.68 and 11,947,327.20

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Solution

The fourth proportional to 28,987,031.52, 43,500,103.68 and 11,947,327.20 is: 17,929,051.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,987,031.52 : 43,500,103.68 = 11,947,327.20 : x
  2. Step 2: Convert to fraction form
    28,987,031.52/43,500,103.68 = 11,947,327.20/x
  3. Step 3: Cross multiply
    28,987,031.52x = 43,500,103.68 × 11,947,327.20
  4. Step 4: Simplify right side
    28,987,031.52x = 519,709,971,898,884.06
  5. Step 5: Solve for x
    x = 519,709,971,898,884.06/28,987,031.52
  6. Step 6: Final answer
    x = 17,929,051.19

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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.