Home / 7,171,991.83-9,897,095.49-3,908,741.79

Finding the Fourth Proportional to 7,171,991.83, 9,897,095.49 and 3,908,741.79

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Solution

The fourth proportional to 7,171,991.83, 9,897,095.49 and 3,908,741.79 is: 5,393,925.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,171,991.83 : 9,897,095.49 = 3,908,741.79 : x
  2. Step 2: Convert to fraction form
    7,171,991.83/9,897,095.49 = 3,908,741.79/x
  3. Step 3: Cross multiply
    7,171,991.83x = 9,897,095.49 × 3,908,741.79
  4. Step 4: Simplify right side
    7,171,991.83x = 38,685,190,741,383.53
  5. Step 5: Solve for x
    x = 38,685,190,741,383.53/7,171,991.83
  6. Step 6: Final answer
    x = 5,393,925.66

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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.