Home / 13,288,804.40-19,932,169.80-5,200,209.20

Finding the Fourth Proportional to 13,288,804.40, 19,932,169.80 and 5,200,209.20

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Solution

The fourth proportional to 13,288,804.40, 19,932,169.80 and 5,200,209.20 is: 7,799,908.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,288,804.40 : 19,932,169.80 = 5,200,209.20 : x
  2. Step 2: Convert to fraction form
    13,288,804.40/19,932,169.80 = 5,200,209.20/x
  3. Step 3: Cross multiply
    13,288,804.40x = 19,932,169.80 × 5,200,209.20
  4. Step 4: Simplify right side
    13,288,804.40x = 103,651,452,769,922.17
  5. Step 5: Solve for x
    x = 103,651,452,769,922.17/13,288,804.40
  6. Step 6: Final answer
    x = 7,799,908.08

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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.