Home / 14,995,852.72-20,694,271.69-8,120,334.78

Finding the Fourth Proportional to 14,995,852.72, 20,694,271.69 and 8,120,334.78

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Solution

The fourth proportional to 14,995,852.72, 20,694,271.69 and 8,120,334.78 is: 11,206,059.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,995,852.72 : 20,694,271.69 = 8,120,334.78 : x
  2. Step 2: Convert to fraction form
    14,995,852.72/20,694,271.69 = 8,120,334.78/x
  3. Step 3: Cross multiply
    14,995,852.72x = 20,694,271.69 × 8,120,334.78
  4. Step 4: Simplify right side
    14,995,852.72x = 168,044,414,161,226.81
  5. Step 5: Solve for x
    x = 168,044,414,161,226.81/14,995,852.72
  6. Step 6: Final answer
    x = 11,206,059.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.