Home / 19,517,109.66-26,933,770.74-10,815,427.56

Finding the Fourth Proportional to 19,517,109.66, 26,933,770.74 and 10,815,427.56

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Solution

The fourth proportional to 19,517,109.66, 26,933,770.74 and 10,815,427.56 is: 14,925,378.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,517,109.66 : 26,933,770.74 = 10,815,427.56 : x
  2. Step 2: Convert to fraction form
    19,517,109.66/26,933,770.74 = 10,815,427.56/x
  3. Step 3: Cross multiply
    19,517,109.66x = 26,933,770.74 × 10,815,427.56
  4. Step 4: Simplify right side
    19,517,109.66x = 291,300,246,356,117.56
  5. Step 5: Solve for x
    x = 291,300,246,356,117.56/19,517,109.66
  6. Step 6: Final answer
    x = 14,925,378.37

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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.