Home / 21,809,894.60-32,714,841.90-13,306,838.60

Finding the Fourth Proportional to 21,809,894.60, 32,714,841.90 and 13,306,838.60

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Solution

The fourth proportional to 21,809,894.60, 32,714,841.90 and 13,306,838.60 is: 19,960,257.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,809,894.60 : 32,714,841.90 = 13,306,838.60 : x
  2. Step 2: Convert to fraction form
    21,809,894.60/32,714,841.90 = 13,306,838.60/x
  3. Step 3: Cross multiply
    21,809,894.60x = 32,714,841.90 × 13,306,838.60
  4. Step 4: Simplify right side
    21,809,894.60x = 435,331,120,987,817.31
  5. Step 5: Solve for x
    x = 435,331,120,987,817.31/21,809,894.60
  6. Step 6: Final answer
    x = 19,960,257.90

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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.