Home / 20,705,770.08-28,575,241.11-11,413,319.19

Finding the Fourth Proportional to 20,705,770.08, 28,575,241.11 and 11,413,319.19

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Solution

The fourth proportional to 20,705,770.08, 28,575,241.11 and 11,413,319.19 is: 15,751,085.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,705,770.08 : 28,575,241.11 = 11,413,319.19 : x
  2. Step 2: Convert to fraction form
    20,705,770.08/28,575,241.11 = 11,413,319.19/x
  3. Step 3: Cross multiply
    20,705,770.08x = 28,575,241.11 × 11,413,319.19
  4. Step 4: Simplify right side
    20,705,770.08x = 326,138,347,719,639.88
  5. Step 5: Solve for x
    x = 326,138,347,719,639.88/20,705,770.08
  6. Step 6: Final answer
    x = 15,751,085.15

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1.5x scale

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.