Home / 12,934,010.10-19,401,015.15-8,902,931.70

Finding the Fourth Proportional to 12,934,010.10, 19,401,015.15 and 8,902,931.70

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Solution

The fourth proportional to 12,934,010.10, 19,401,015.15 and 8,902,931.70 is: 13,354,397.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,934,010.10 : 19,401,015.15 = 8,902,931.70 : x
  2. Step 2: Convert to fraction form
    12,934,010.10/19,401,015.15 = 8,902,931.70/x
  3. Step 3: Cross multiply
    12,934,010.10x = 19,401,015.15 × 8,902,931.70
  4. Step 4: Simplify right side
    12,934,010.10x = 172,725,912,791,115.22
  5. Step 5: Solve for x
    x = 172,725,912,791,115.22/12,934,010.10
  6. Step 6: Final answer
    x = 13,354,397.55

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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.