Home / 28,256,223.60-42,387,445.80-10,309,215.60

Finding the Fourth Proportional to 28,256,223.60, 42,387,445.80 and 10,309,215.60

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Solution

The fourth proportional to 28,256,223.60, 42,387,445.80 and 10,309,215.60 is: 15,464,958.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,256,223.60 : 42,387,445.80 = 10,309,215.60 : x
  2. Step 2: Convert to fraction form
    28,256,223.60/42,387,445.80 = 10,309,215.60/x
  3. Step 3: Cross multiply
    28,256,223.60x = 42,387,445.80 × 10,309,215.60
  4. Step 4: Simplify right side
    28,256,223.60x = 436,981,317,485,514.44
  5. Step 5: Solve for x
    x = 436,981,317,485,514.44/28,256,223.60
  6. Step 6: Final answer
    x = 15,464,958.22

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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.