Home / 13,608,008.10-20,412,012.15-5,087,237.40

Finding the Fourth Proportional to 13,608,008.10, 20,412,012.15 and 5,087,237.40

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Solution

The fourth proportional to 13,608,008.10, 20,412,012.15 and 5,087,237.40 is: 7,630,856.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,608,008.10 : 20,412,012.15 = 5,087,237.40 : x
  2. Step 2: Convert to fraction form
    13,608,008.10/20,412,012.15 = 5,087,237.40/x
  3. Step 3: Cross multiply
    13,608,008.10x = 20,412,012.15 × 5,087,237.40
  4. Step 4: Simplify right side
    13,608,008.10x = 103,840,751,618,734.41
  5. Step 5: Solve for x
    x = 103,840,751,618,734.41/13,608,008.10
  6. Step 6: Final answer
    x = 7,630,856.10

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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.