Home / 12,934,038.60-19,401,057.90-8,902,960.20

Finding the Fourth Proportional to 12,934,038.60, 19,401,057.90 and 8,902,960.20

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Solution

The fourth proportional to 12,934,038.60, 19,401,057.90 and 8,902,960.20 is: 13,354,440.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,934,038.60 : 19,401,057.90 = 8,902,960.20 : x
  2. Step 2: Convert to fraction form
    12,934,038.60/19,401,057.90 = 8,902,960.20/x
  3. Step 3: Cross multiply
    12,934,038.60x = 19,401,057.90 × 8,902,960.20
  4. Step 4: Simplify right side
    12,934,038.60x = 172,726,846,321,595.56
  5. Step 5: Solve for x
    x = 172,726,846,321,595.56/12,934,038.60
  6. Step 6: Final answer
    x = 13,354,440.30

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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.