Home / 20,452,389.36-30,673,335.24-6,072,120.78

Finding the Fourth Proportional to 20,452,389.36, 30,673,335.24 and 6,072,120.78

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Solution

The fourth proportional to 20,452,389.36, 30,673,335.24 and 6,072,120.78 is: 9,106,622.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,452,389.36 : 30,673,335.24 = 6,072,120.78 : x
  2. Step 2: Convert to fraction form
    20,452,389.36/30,673,335.24 = 6,072,120.78/x
  3. Step 3: Cross multiply
    20,452,389.36x = 30,673,335.24 × 6,072,120.78
  4. Step 4: Simplify right side
    20,452,389.36x = 186,252,196,302,710.28
  5. Step 5: Solve for x
    x = 186,252,196,302,710.28/20,452,389.36
  6. Step 6: Final answer
    x = 9,106,622.85

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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.