Home / 8,076,138.30-12,114,207.45-7,162,847.10

Finding the Fourth Proportional to 8,076,138.30, 12,114,207.45 and 7,162,847.10

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Solution

The fourth proportional to 8,076,138.30, 12,114,207.45 and 7,162,847.10 is: 10,744,270.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,076,138.30 : 12,114,207.45 = 7,162,847.10 : x
  2. Step 2: Convert to fraction form
    8,076,138.30/12,114,207.45 = 7,162,847.10/x
  3. Step 3: Cross multiply
    8,076,138.30x = 12,114,207.45 × 7,162,847.10
  4. Step 4: Simplify right side
    8,076,138.30x = 86,772,215,702,030.89
  5. Step 5: Solve for x
    x = 86,772,215,702,030.89/8,076,138.30
  6. Step 6: Final answer
    x = 10,744,270.65

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Double scale
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Similar ratio
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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.