Home / 13,828,901.40-20,743,352.10-5,192,985.15

Finding the Fourth Proportional to 13,828,901.40, 20,743,352.10 and 5,192,985.15

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Solution

The fourth proportional to 13,828,901.40, 20,743,352.10 and 5,192,985.15 is: 7,789,477.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,828,901.40 : 20,743,352.10 = 5,192,985.15 : x
  2. Step 2: Convert to fraction form
    13,828,901.40/20,743,352.10 = 5,192,985.15/x
  3. Step 3: Cross multiply
    13,828,901.40x = 20,743,352.10 × 5,192,985.15
  4. Step 4: Simplify right side
    13,828,901.40x = 107,719,919,416,521.33
  5. Step 5: Solve for x
    x = 107,719,919,416,521.33/13,828,901.40
  6. Step 6: Final answer
    x = 7,789,477.73

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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.