Home / 20,023,949.17-30,018,110.55-7,241,612.14

Finding the Fourth Proportional to 20,023,949.17, 30,018,110.55 and 7,241,612.14

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Solution

The fourth proportional to 20,023,949.17, 30,018,110.55 and 7,241,612.14 is: 10,855,976.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,023,949.17 : 30,018,110.55 = 7,241,612.14 : x
  2. Step 2: Convert to fraction form
    20,023,949.17/30,018,110.55 = 7,241,612.14/x
  3. Step 3: Cross multiply
    20,023,949.17x = 30,018,110.55 × 7,241,612.14
  4. Step 4: Simplify right side
    20,023,949.17x = 217,379,513,778,742.06
  5. Step 5: Solve for x
    x = 217,379,513,778,742.06/20,023,949.17
  6. Step 6: Final answer
    x = 10,855,976.11

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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.