Home / 19,213,230.72-28,823,338.80-9,115,757.76

Finding the Fourth Proportional to 19,213,230.72, 28,823,338.80 and 9,115,757.76

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Solution

The fourth proportional to 19,213,230.72, 28,823,338.80 and 9,115,757.76 is: 13,675,293.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,213,230.72 : 28,823,338.80 = 9,115,757.76 : x
  2. Step 2: Convert to fraction form
    19,213,230.72/28,823,338.80 = 9,115,757.76/x
  3. Step 3: Cross multiply
    19,213,230.72x = 28,823,338.80 × 9,115,757.76
  4. Step 4: Simplify right side
    19,213,230.72x = 262,746,574,335,209.09
  5. Step 5: Solve for x
    x = 262,746,574,335,209.09/19,213,230.72
  6. Step 6: Final answer
    x = 13,675,293.77

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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.