Home / 10,073,252.80-15,109,879.20-8,514,359.20

Finding the Fourth Proportional to 10,073,252.80, 15,109,879.20 and 8,514,359.20

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Solution

The fourth proportional to 10,073,252.80, 15,109,879.20 and 8,514,359.20 is: 12,771,538.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,073,252.80 : 15,109,879.20 = 8,514,359.20 : x
  2. Step 2: Convert to fraction form
    10,073,252.80/15,109,879.20 = 8,514,359.20/x
  3. Step 3: Cross multiply
    10,073,252.80x = 15,109,879.20 × 8,514,359.20
  4. Step 4: Simplify right side
    10,073,252.80x = 128,650,938,977,408.62
  5. Step 5: Solve for x
    x = 128,650,938,977,408.62/10,073,252.80
  6. Step 6: Final answer
    x = 12,771,538.80

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1.5x scale

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.