Home / 28,172,420.56-42,264,690.65-8,741,257.25

Finding the Fourth Proportional to 28,172,420.56, 42,264,690.65 and 8,741,257.25

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Solution

The fourth proportional to 28,172,420.56, 42,264,690.65 and 8,741,257.25 is: 13,113,766.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,172,420.56 : 42,264,690.65 = 8,741,257.25 : x
  2. Step 2: Convert to fraction form
    28,172,420.56/42,264,690.65 = 8,741,257.25/x
  3. Step 3: Cross multiply
    28,172,420.56x = 42,264,690.65 × 8,741,257.25
  4. Step 4: Simplify right side
    28,172,420.56x = 369,446,533,519,613.44
  5. Step 5: Solve for x
    x = 369,446,533,519,613.44/28,172,420.56
  6. Step 6: Final answer
    x = 13,113,766.10

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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.