Home / 28,514,289.60-42,739,941.60-15,743,959.20

Finding the Fourth Proportional to 28,514,289.60, 42,739,941.60 and 15,743,959.20

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Solution

The fourth proportional to 28,514,289.60, 42,739,941.60 and 15,743,959.20 is: 23,598,550.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,514,289.60 : 42,739,941.60 = 15,743,959.20 : x
  2. Step 2: Convert to fraction form
    28,514,289.60/42,739,941.60 = 15,743,959.20/x
  3. Step 3: Cross multiply
    28,514,289.60x = 42,739,941.60 × 15,743,959.20
  4. Step 4: Simplify right side
    28,514,289.60x = 672,895,896,760,782.75
  5. Step 5: Solve for x
    x = 672,895,896,760,782.75/28,514,289.60
  6. Step 6: Final answer
    x = 23,598,550.28

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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.