Home / 13,121,851.20-19,682,776.80-10,467,643.20

Finding the Fourth Proportional to 13,121,851.20, 19,682,776.80 and 10,467,643.20

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Solution

The fourth proportional to 13,121,851.20, 19,682,776.80 and 10,467,643.20 is: 15,701,464.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,121,851.20 : 19,682,776.80 = 10,467,643.20 : x
  2. Step 2: Convert to fraction form
    13,121,851.20/19,682,776.80 = 10,467,643.20/x
  3. Step 3: Cross multiply
    13,121,851.20x = 19,682,776.80 × 10,467,643.20
  4. Step 4: Simplify right side
    13,121,851.20x = 206,032,284,727,637.75
  5. Step 5: Solve for x
    x = 206,032,284,727,637.75/13,121,851.20
  6. Step 6: Final answer
    x = 15,701,464.80

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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.