Home / 20,579,180.78-30,880,727.85-9,219,629.00

Finding the Fourth Proportional to 20,579,180.78, 30,880,727.85 and 9,219,629.00

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Solution

The fourth proportional to 20,579,180.78, 30,880,727.85 and 9,219,629.00 is: 13,834,800.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,579,180.78 : 30,880,727.85 = 9,219,629.00 : x
  2. Step 2: Convert to fraction form
    20,579,180.78/30,880,727.85 = 9,219,629.00/x
  3. Step 3: Cross multiply
    20,579,180.78x = 30,880,727.85 × 9,219,629.00
  4. Step 4: Simplify right side
    20,579,180.78x = 284,708,853,872,564
  5. Step 5: Solve for x
    x = 284,708,853,872,564/20,579,180.78
  6. Step 6: Final answer
    x = 13,834,800.18

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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.