Home / 9,075,005.40-13,612,508.10-8,382,163.80

Finding the Fourth Proportional to 9,075,005.40, 13,612,508.10 and 8,382,163.80

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Solution

The fourth proportional to 9,075,005.40, 13,612,508.10 and 8,382,163.80 is: 12,573,245.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,075,005.40 : 13,612,508.10 = 8,382,163.80 : x
  2. Step 2: Convert to fraction form
    9,075,005.40/13,612,508.10 = 8,382,163.80/x
  3. Step 3: Cross multiply
    9,075,005.40x = 13,612,508.10 × 8,382,163.80
  4. Step 4: Simplify right side
    9,075,005.40x = 114,102,272,623,026.78
  5. Step 5: Solve for x
    x = 114,102,272,623,026.78/9,075,005.40
  6. Step 6: Final answer
    x = 12,573,245.70

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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.