Home / 19,686,555.20-29,529,832.80-9,048,987.20

Finding the Fourth Proportional to 19,686,555.20, 29,529,832.80 and 9,048,987.20

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Solution

The fourth proportional to 19,686,555.20, 29,529,832.80 and 9,048,987.20 is: 13,573,480.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,686,555.20 : 29,529,832.80 = 9,048,987.20 : x
  2. Step 2: Convert to fraction form
    19,686,555.20/29,529,832.80 = 9,048,987.20/x
  3. Step 3: Cross multiply
    19,686,555.20x = 29,529,832.80 × 9,048,987.20
  4. Step 4: Simplify right side
    19,686,555.20x = 267,215,079,025,340.16
  5. Step 5: Solve for x
    x = 267,215,079,025,340.16/19,686,555.20
  6. Step 6: Final answer
    x = 13,573,480.80

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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.