Home / 38,156,106.76-52,656,093.96-20,752,570.08

Finding the Fourth Proportional to 38,156,106.76, 52,656,093.96 and 20,752,570.08

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Solution

The fourth proportional to 38,156,106.76, 52,656,093.96 and 20,752,570.08 is: 28,638,909.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,156,106.76 : 52,656,093.96 = 20,752,570.08 : x
  2. Step 2: Convert to fraction form
    38,156,106.76/52,656,093.96 = 20,752,570.08/x
  3. Step 3: Cross multiply
    38,156,106.76x = 52,656,093.96 × 20,752,570.08
  4. Step 4: Simplify right side
    38,156,106.76x = 1,092,749,280,043,964.62
  5. Step 5: Solve for x
    x = 1,092,749,280,043,964.62/38,156,106.76
  6. Step 6: Final answer
    x = 28,638,909.28

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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.