Home / 13,608,538.20-20,412,807.30-8,223,269.40

Finding the Fourth Proportional to 13,608,538.20, 20,412,807.30 and 8,223,269.40

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Solution

The fourth proportional to 13,608,538.20, 20,412,807.30 and 8,223,269.40 is: 12,334,904.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,608,538.20 : 20,412,807.30 = 8,223,269.40 : x
  2. Step 2: Convert to fraction form
    13,608,538.20/20,412,807.30 = 8,223,269.40/x
  3. Step 3: Cross multiply
    13,608,538.20x = 20,412,807.30 × 8,223,269.40
  4. Step 4: Simplify right side
    13,608,538.20x = 167,860,013,638,186.62
  5. Step 5: Solve for x
    x = 167,860,013,638,186.62/13,608,538.20
  6. Step 6: Final answer
    x = 12,334,904.10

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Double scale
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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.