Home / 20,564,908.74-30,855,039.75-10,974,957.48

Finding the Fourth Proportional to 20,564,908.74, 30,855,039.75 and 10,974,957.48

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Solution

The fourth proportional to 20,564,908.74, 30,855,039.75 and 10,974,957.48 is: 16,466,533.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,564,908.74 : 30,855,039.75 = 10,974,957.48 : x
  2. Step 2: Convert to fraction form
    20,564,908.74/30,855,039.75 = 10,974,957.48/x
  3. Step 3: Cross multiply
    20,564,908.74x = 30,855,039.75 × 10,974,957.48
  4. Step 4: Simplify right side
    20,564,908.74x = 338,632,749,299,959.88
  5. Step 5: Solve for x
    x = 338,632,749,299,959.88/20,564,908.74
  6. Step 6: Final answer
    x = 16,466,533.04

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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.