Home / 28,023,328.60-42,036,305.10-8,855,585.80

Finding the Fourth Proportional to 28,023,328.60, 42,036,305.10 and 8,855,585.80

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Solution

The fourth proportional to 28,023,328.60, 42,036,305.10 and 8,855,585.80 is: 13,283,793.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,023,328.60 : 42,036,305.10 = 8,855,585.80 : x
  2. Step 2: Convert to fraction form
    28,023,328.60/42,036,305.10 = 8,855,585.80/x
  3. Step 3: Cross multiply
    28,023,328.60x = 42,036,305.10 × 8,855,585.80
  4. Step 4: Simplify right side
    28,023,328.60x = 372,256,106,528,027.62
  5. Step 5: Solve for x
    x = 372,256,106,528,027.62/28,023,328.60
  6. Step 6: Final answer
    x = 13,283,793.37

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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.