Home / 11,878,311.75-16,392,070.23-6,445,803.75

Finding the Fourth Proportional to 11,878,311.75, 16,392,070.23 and 6,445,803.75

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Solution

The fourth proportional to 11,878,311.75, 16,392,070.23 and 6,445,803.75 is: 8,895,209.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,878,311.75 : 16,392,070.23 = 6,445,803.75 : x
  2. Step 2: Convert to fraction form
    11,878,311.75/16,392,070.23 = 6,445,803.75/x
  3. Step 3: Cross multiply
    11,878,311.75x = 16,392,070.23 × 6,445,803.75
  4. Step 4: Simplify right side
    11,878,311.75x = 105,660,067,758,797.36
  5. Step 5: Solve for x
    x = 105,660,067,758,797.36/11,878,311.75
  6. Step 6: Final answer
    x = 8,895,209.18

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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.