Home / 15,398,467.70-23,097,701.55-8,207,222.90

Finding the Fourth Proportional to 15,398,467.70, 23,097,701.55 and 8,207,222.90

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Solution

The fourth proportional to 15,398,467.70, 23,097,701.55 and 8,207,222.90 is: 12,310,834.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,398,467.70 : 23,097,701.55 = 8,207,222.90 : x
  2. Step 2: Convert to fraction form
    15,398,467.70/23,097,701.55 = 8,207,222.90/x
  3. Step 3: Cross multiply
    15,398,467.70x = 23,097,701.55 × 8,207,222.90
  4. Step 4: Simplify right side
    15,398,467.70x = 189,567,985,098,525.50
  5. Step 5: Solve for x
    x = 189,567,985,098,525.50/15,398,467.70
  6. Step 6: Final answer
    x = 12,310,834.35

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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.