Home / 9,940,734.80-14,911,102.20-8,345,099.60

Finding the Fourth Proportional to 9,940,734.80, 14,911,102.20 and 8,345,099.60

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Solution

The fourth proportional to 9,940,734.80, 14,911,102.20 and 8,345,099.60 is: 12,517,649.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,940,734.80 : 14,911,102.20 = 8,345,099.60 : x
  2. Step 2: Convert to fraction form
    9,940,734.80/14,911,102.20 = 8,345,099.60/x
  3. Step 3: Cross multiply
    9,940,734.80x = 14,911,102.20 × 8,345,099.60
  4. Step 4: Simplify right side
    9,940,734.80x = 124,434,633,004,779.11
  5. Step 5: Solve for x
    x = 124,434,633,004,779.11/9,940,734.80
  6. Step 6: Final answer
    x = 12,517,649.40

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Similar ratio
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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.