Home / 20,262,098.52-27,961,741.08-10,969,766.64

Finding the Fourth Proportional to 20,262,098.52, 27,961,741.08 and 10,969,766.64

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Solution

The fourth proportional to 20,262,098.52, 27,961,741.08 and 10,969,766.64 is: 15,138,302.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,262,098.52 : 27,961,741.08 = 10,969,766.64 : x
  2. Step 2: Convert to fraction form
    20,262,098.52/27,961,741.08 = 10,969,766.64/x
  3. Step 3: Cross multiply
    20,262,098.52x = 27,961,741.08 × 10,969,766.64
  4. Step 4: Simplify right side
    20,262,098.52x = 306,733,774,495,701.56
  5. Step 5: Solve for x
    x = 306,733,774,495,701.56/20,262,098.52
  6. Step 6: Final answer
    x = 15,138,302.39

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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.