Home / 13,204,493.40-19,806,740.10-5,526,811.20

Finding the Fourth Proportional to 13,204,493.40, 19,806,740.10 and 5,526,811.20

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Solution

The fourth proportional to 13,204,493.40, 19,806,740.10 and 5,526,811.20 is: 8,290,216.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,204,493.40 : 19,806,740.10 = 5,526,811.20 : x
  2. Step 2: Convert to fraction form
    13,204,493.40/19,806,740.10 = 5,526,811.20/x
  3. Step 3: Cross multiply
    13,204,493.40x = 19,806,740.10 × 5,526,811.20
  4. Step 4: Simplify right side
    13,204,493.40x = 109,468,113,020,169.12
  5. Step 5: Solve for x
    x = 109,468,113,020,169.12/13,204,493.40
  6. Step 6: Final answer
    x = 8,290,216.80

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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.