Home / 20,146,788.63-27,802,302.35-11,205,838.53

Finding the Fourth Proportional to 20,146,788.63, 27,802,302.35 and 11,205,838.53

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Solution

The fourth proportional to 20,146,788.63, 27,802,302.35 and 11,205,838.53 is: 15,463,909.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,146,788.63 : 27,802,302.35 = 11,205,838.53 : x
  2. Step 2: Convert to fraction form
    20,146,788.63/27,802,302.35 = 11,205,838.53/x
  3. Step 3: Cross multiply
    20,146,788.63x = 27,802,302.35 × 11,205,838.53
  4. Step 4: Simplify right side
    20,146,788.63x = 311,548,110,840,310.31
  5. Step 5: Solve for x
    x = 311,548,110,840,310.31/20,146,788.63
  6. Step 6: Final answer
    x = 15,463,909.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.