Home / 20,563,272.42-28,376,833.02-11,395,718.34

Finding the Fourth Proportional to 20,563,272.42, 28,376,833.02 and 11,395,718.34

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Solution

The fourth proportional to 20,563,272.42, 28,376,833.02 and 11,395,718.34 is: 15,725,823.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,563,272.42 : 28,376,833.02 = 11,395,718.34 : x
  2. Step 2: Convert to fraction form
    20,563,272.42/28,376,833.02 = 11,395,718.34/x
  3. Step 3: Cross multiply
    20,563,272.42x = 28,376,833.02 × 11,395,718.34
  4. Step 4: Simplify right side
    20,563,272.42x = 323,374,396,477,131.56
  5. Step 5: Solve for x
    x = 323,374,396,477,131.56/20,563,272.42
  6. Step 6: Final answer
    x = 15,725,823.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.