Home / 28,774,820.60-43,162,230.90-19,704,894.20

Finding the Fourth Proportional to 28,774,820.60, 43,162,230.90 and 19,704,894.20

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Solution

The fourth proportional to 28,774,820.60, 43,162,230.90 and 19,704,894.20 is: 29,557,341.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,774,820.60 : 43,162,230.90 = 19,704,894.20 : x
  2. Step 2: Convert to fraction form
    28,774,820.60/43,162,230.90 = 19,704,894.20/x
  3. Step 3: Cross multiply
    28,774,820.60x = 43,162,230.90 × 19,704,894.20
  4. Step 4: Simplify right side
    28,774,820.60x = 850,507,193,320,470.75
  5. Step 5: Solve for x
    x = 850,507,193,320,470.75/28,774,820.60
  6. Step 6: Final answer
    x = 29,557,341.30

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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.