Home / 20,752,695.96-31,104,277.86-9,658,838.89

Finding the Fourth Proportional to 20,752,695.96, 31,104,277.86 and 9,658,838.89

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Solution

The fourth proportional to 20,752,695.96, 31,104,277.86 and 9,658,838.89 is: 14,476,731.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,752,695.96 : 31,104,277.86 = 9,658,838.89 : x
  2. Step 2: Convert to fraction form
    20,752,695.96/31,104,277.86 = 9,658,838.89/x
  3. Step 3: Cross multiply
    20,752,695.96x = 31,104,277.86 × 9,658,838.89
  4. Step 4: Simplify right side
    20,752,695.96x = 300,431,208,639,534
  5. Step 5: Solve for x
    x = 300,431,208,639,534/20,752,695.96
  6. Step 6: Final answer
    x = 14,476,731.56

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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.