Home / 28,023,135.60-42,036,015.60-8,855,392.80

Finding the Fourth Proportional to 28,023,135.60, 42,036,015.60 and 8,855,392.80

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Solution

The fourth proportional to 28,023,135.60, 42,036,015.60 and 8,855,392.80 is: 13,283,503.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,023,135.60 : 42,036,015.60 = 8,855,392.80 : x
  2. Step 2: Convert to fraction form
    28,023,135.60/42,036,015.60 = 8,855,392.80/x
  3. Step 3: Cross multiply
    28,023,135.60x = 42,036,015.60 × 8,855,392.80
  4. Step 4: Simplify right side
    28,023,135.60x = 372,245,429,884,927.75
  5. Step 5: Solve for x
    x = 372,245,429,884,927.75/28,023,135.60
  6. Step 6: Final answer
    x = 13,283,503.86

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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.