Home / 21,010,685.58-31,513,660.65-5,659,098.62

Finding the Fourth Proportional to 21,010,685.58, 31,513,660.65 and 5,659,098.62

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Solution

The fourth proportional to 21,010,685.58, 31,513,660.65 and 5,659,098.62 is: 8,488,010.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,010,685.58 : 31,513,660.65 = 5,659,098.62 : x
  2. Step 2: Convert to fraction form
    21,010,685.58/31,513,660.65 = 5,659,098.62/x
  3. Step 3: Cross multiply
    21,010,685.58x = 31,513,660.65 × 5,659,098.62
  4. Step 4: Simplify right side
    21,010,685.58x = 178,338,913,337,995
  5. Step 5: Solve for x
    x = 178,338,913,337,995/21,010,685.58
  6. Step 6: Final answer
    x = 8,488,010.19

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.