Home / 19,427,238.66-26,818,660.89-11,276,907.78

Finding the Fourth Proportional to 19,427,238.66, 26,818,660.89 and 11,276,907.78

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Solution

The fourth proportional to 19,427,238.66, 26,818,660.89 and 11,276,907.78 is: 15,567,398.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,427,238.66 : 26,818,660.89 = 11,276,907.78 : x
  2. Step 2: Convert to fraction form
    19,427,238.66/26,818,660.89 = 11,276,907.78/x
  3. Step 3: Cross multiply
    19,427,238.66x = 26,818,660.89 × 11,276,907.78
  4. Step 4: Simplify right side
    19,427,238.66x = 302,431,565,639,622.69
  5. Step 5: Solve for x
    x = 302,431,565,639,622.69/19,427,238.66
  6. Step 6: Final answer
    x = 15,567,398.48

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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.