Home / 19,686,229.80-29,533,491.90-8,320,828.20

Finding the Fourth Proportional to 19,686,229.80, 29,533,491.90 and 8,320,828.20

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Solution

The fourth proportional to 19,686,229.80, 29,533,491.90 and 8,320,828.20 is: 12,482,995.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,686,229.80 : 29,533,491.90 = 8,320,828.20 : x
  2. Step 2: Convert to fraction form
    19,686,229.80/29,533,491.90 = 8,320,828.20/x
  3. Step 3: Cross multiply
    19,686,229.80x = 29,533,491.90 × 8,320,828.20
  4. Step 4: Simplify right side
    19,686,229.80x = 245,743,112,245,991.56
  5. Step 5: Solve for x
    x = 245,743,112,245,991.56/19,686,229.80
  6. Step 6: Final answer
    x = 12,482,995.21

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1.5x scale

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.