Home / 19,018,228.68-28,526,293.24-13,905,897.48

Finding the Fourth Proportional to 19,018,228.68, 28,526,293.24 and 13,905,897.48

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Solution

The fourth proportional to 19,018,228.68, 28,526,293.24 and 13,905,897.48 is: 20,858,078.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,018,228.68 : 28,526,293.24 = 13,905,897.48 : x
  2. Step 2: Convert to fraction form
    19,018,228.68/28,526,293.24 = 13,905,897.48/x
  3. Step 3: Cross multiply
    19,018,228.68x = 28,526,293.24 × 13,905,897.48
  4. Step 4: Simplify right side
    19,018,228.68x = 396,683,709,279,857
  5. Step 5: Solve for x
    x = 396,683,709,279,857/19,018,228.68
  6. Step 6: Final answer
    x = 20,858,078.63

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Why These Related Problems?

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