Home / 13,565,366.70-20,348,050.05-12,289,908.30

Finding the Fourth Proportional to 13,565,366.70, 20,348,050.05 and 12,289,908.30

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Solution

The fourth proportional to 13,565,366.70, 20,348,050.05 and 12,289,908.30 is: 18,434,862.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,565,366.70 : 20,348,050.05 = 12,289,908.30 : x
  2. Step 2: Convert to fraction form
    13,565,366.70/20,348,050.05 = 12,289,908.30/x
  3. Step 3: Cross multiply
    13,565,366.70x = 20,348,050.05 × 12,289,908.30
  4. Step 4: Simplify right side
    13,565,366.70x = 250,075,669,198,310.44
  5. Step 5: Solve for x
    x = 250,075,669,198,310.44/13,565,366.70
  6. Step 6: Final answer
    x = 18,434,862.45

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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.