Home / 13,215,016.80-19,822,525.20-11,199,477.60

Finding the Fourth Proportional to 13,215,016.80, 19,822,525.20 and 11,199,477.60

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Solution

The fourth proportional to 13,215,016.80, 19,822,525.20 and 11,199,477.60 is: 16,799,216.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,215,016.80 : 19,822,525.20 = 11,199,477.60 : x
  2. Step 2: Convert to fraction form
    13,215,016.80/19,822,525.20 = 11,199,477.60/x
  3. Step 3: Cross multiply
    13,215,016.80x = 19,822,525.20 × 11,199,477.60
  4. Step 4: Simplify right side
    13,215,016.80x = 222,001,926,952,835.50
  5. Step 5: Solve for x
    x = 222,001,926,952,835.50/13,215,016.80
  6. Step 6: Final answer
    x = 16,799,216.40

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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.