Home / 13,753,296.40-20,629,944.60-13,221,855.40

Finding the Fourth Proportional to 13,753,296.40, 20,629,944.60 and 13,221,855.40

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Solution

The fourth proportional to 13,753,296.40, 20,629,944.60 and 13,221,855.40 is: 19,832,783.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,753,296.40 : 20,629,944.60 = 13,221,855.40 : x
  2. Step 2: Convert to fraction form
    13,753,296.40/20,629,944.60 = 13,221,855.40/x
  3. Step 3: Cross multiply
    13,753,296.40x = 20,629,944.60 × 13,221,855.40
  4. Step 4: Simplify right side
    13,753,296.40x = 272,766,144,411,210.88
  5. Step 5: Solve for x
    x = 272,766,144,411,210.88/13,753,296.40
  6. Step 6: Final answer
    x = 19,832,783.10

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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.