Home / 12,165,508.40-16,789,180.92-7,008,776.24

Finding the Fourth Proportional to 12,165,508.40, 16,789,180.92 and 7,008,776.24

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Solution

The fourth proportional to 12,165,508.40, 16,789,180.92 and 7,008,776.24 is: 9,672,560.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,165,508.40 : 16,789,180.92 = 7,008,776.24 : x
  2. Step 2: Convert to fraction form
    12,165,508.40/16,789,180.92 = 7,008,776.24/x
  3. Step 3: Cross multiply
    12,165,508.40x = 16,789,180.92 × 7,008,776.24
  4. Step 4: Simplify right side
    12,165,508.40x = 117,671,612,321,157.36
  5. Step 5: Solve for x
    x = 117,671,612,321,157.36/12,165,508.40
  6. Step 6: Final answer
    x = 9,672,560.20

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1.5x scale

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.