Home / 13,596,481.34-18,763,143.55-7,401,572.84

Finding the Fourth Proportional to 13,596,481.34, 18,763,143.55 and 7,401,572.84

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Solution

The fourth proportional to 13,596,481.34, 18,763,143.55 and 7,401,572.84 is: 10,214,170.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,596,481.34 : 18,763,143.55 = 7,401,572.84 : x
  2. Step 2: Convert to fraction form
    13,596,481.34/18,763,143.55 = 7,401,572.84/x
  3. Step 3: Cross multiply
    13,596,481.34x = 18,763,143.55 × 7,401,572.84
  4. Step 4: Simplify right side
    13,596,481.34x = 138,876,773,721,105.11
  5. Step 5: Solve for x
    x = 138,876,773,721,105.11/13,596,481.34
  6. Step 6: Final answer
    x = 10,214,170.14

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.