Home / 21,710,951.88-32,561,452.26-12,959,701.08

Finding the Fourth Proportional to 21,710,951.88, 32,561,452.26 and 12,959,701.08

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Solution

The fourth proportional to 21,710,951.88, 32,561,452.26 and 12,959,701.08 is: 19,436,581.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,710,951.88 : 32,561,452.26 = 12,959,701.08 : x
  2. Step 2: Convert to fraction form
    21,710,951.88/32,561,452.26 = 12,959,701.08/x
  3. Step 3: Cross multiply
    21,710,951.88x = 32,561,452.26 × 12,959,701.08
  4. Step 4: Simplify right side
    21,710,951.88x = 421,986,688,020,290.44
  5. Step 5: Solve for x
    x = 421,986,688,020,290.44/21,710,951.88
  6. Step 6: Final answer
    x = 19,436,581.61

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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.