Home / 19,517,106.66-26,933,766.60-10,815,424.56

Finding the Fourth Proportional to 19,517,106.66, 26,933,766.60 and 10,815,424.56

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Solution

The fourth proportional to 19,517,106.66, 26,933,766.60 and 10,815,424.56 is: 14,925,374.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,517,106.66 : 26,933,766.60 = 10,815,424.56 : x
  2. Step 2: Convert to fraction form
    19,517,106.66/26,933,766.60 = 10,815,424.56/x
  3. Step 3: Cross multiply
    19,517,106.66x = 26,933,766.60 × 10,815,424.56
  4. Step 4: Simplify right side
    19,517,106.66x = 291,300,120,778,947.75
  5. Step 5: Solve for x
    x = 291,300,120,778,947.75/19,517,106.66
  6. Step 6: Final answer
    x = 14,925,374.23

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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.