Home / 36,012,801.20-49,702,396.57-20,539,338.80

Finding the Fourth Proportional to 36,012,801.20, 49,702,396.57 and 20,539,338.80

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Solution

The fourth proportional to 36,012,801.20, 49,702,396.57 and 20,539,338.80 is: 28,346,985.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,012,801.20 : 49,702,396.57 = 20,539,338.80 : x
  2. Step 2: Convert to fraction form
    36,012,801.20/49,702,396.57 = 20,539,338.80/x
  3. Step 3: Cross multiply
    36,012,801.20x = 49,702,396.57 × 20,539,338.80
  4. Step 4: Simplify right side
    36,012,801.20x = 1,020,854,362,023,327.75
  5. Step 5: Solve for x
    x = 1,020,854,362,023,327.75/36,012,801.20
  6. Step 6: Final answer
    x = 28,346,985.74

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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.