Home / 21,303,616.70-31,934,429.85-10,512,083.90

Finding the Fourth Proportional to 21,303,616.70, 31,934,429.85 and 10,512,083.90

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Solution

The fourth proportional to 21,303,616.70, 31,934,429.85 and 10,512,083.90 is: 15,757,765.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,303,616.70 : 31,934,429.85 = 10,512,083.90 : x
  2. Step 2: Convert to fraction form
    21,303,616.70/31,934,429.85 = 10,512,083.90/x
  3. Step 3: Cross multiply
    21,303,616.70x = 31,934,429.85 × 10,512,083.90
  4. Step 4: Simplify right side
    21,303,616.70x = 335,697,405,881,864.44
  5. Step 5: Solve for x
    x = 335,697,405,881,864.44/21,303,616.70
  6. Step 6: Final answer
    x = 15,757,765.95

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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.