Home / 13,209,421.80-19,814,132.70-11,193,882.60

Finding the Fourth Proportional to 13,209,421.80, 19,814,132.70 and 11,193,882.60

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Solution

The fourth proportional to 13,209,421.80, 19,814,132.70 and 11,193,882.60 is: 16,790,823.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,209,421.80 : 19,814,132.70 = 11,193,882.60 : x
  2. Step 2: Convert to fraction form
    13,209,421.80/19,814,132.70 = 11,193,882.60/x
  3. Step 3: Cross multiply
    13,209,421.80x = 19,814,132.70 × 11,193,882.60
  4. Step 4: Simplify right side
    13,209,421.80x = 221,797,075,264,621
  5. Step 5: Solve for x
    x = 221,797,075,264,621/13,209,421.80
  6. Step 6: Final answer
    x = 16,790,823.90

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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.