Home / 20,334,029.70-30,501,044.55-6,870,663.30

Finding the Fourth Proportional to 20,334,029.70, 30,501,044.55 and 6,870,663.30

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Solution

The fourth proportional to 20,334,029.70, 30,501,044.55 and 6,870,663.30 is: 10,305,994.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,334,029.70 : 30,501,044.55 = 6,870,663.30 : x
  2. Step 2: Convert to fraction form
    20,334,029.70/30,501,044.55 = 6,870,663.30/x
  3. Step 3: Cross multiply
    20,334,029.70x = 30,501,044.55 × 6,870,663.30
  4. Step 4: Simplify right side
    20,334,029.70x = 209,562,407,401,350
  5. Step 5: Solve for x
    x = 209,562,407,401,350/20,334,029.70
  6. Step 6: Final answer
    x = 10,305,994.95

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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.