Home / 19,517,129.19-26,933,797.76-10,815,447.15

Finding the Fourth Proportional to 19,517,129.19, 26,933,797.76 and 10,815,447.15

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Solution

The fourth proportional to 19,517,129.19, 26,933,797.76 and 10,815,447.15 is: 14,925,405.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,517,129.19 : 26,933,797.76 = 10,815,447.15 : x
  2. Step 2: Convert to fraction form
    19,517,129.19/26,933,797.76 = 10,815,447.15/x
  3. Step 3: Cross multiply
    19,517,129.19x = 26,933,797.76 × 10,815,447.15
  4. Step 4: Simplify right side
    19,517,129.19x = 291,301,066,167,991.12
  5. Step 5: Solve for x
    x = 291,301,066,167,991.12/19,517,129.19
  6. Step 6: Final answer
    x = 14,925,405.44

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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.