Home / 20,619,837.12-28,436,360.94-14,014,319.52

Finding the Fourth Proportional to 20,619,837.12, 28,436,360.94 and 14,014,319.52

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Solution

The fourth proportional to 20,619,837.12, 28,436,360.94 and 14,014,319.52 is: 19,326,837.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,619,837.12 : 28,436,360.94 = 14,014,319.52 : x
  2. Step 2: Convert to fraction form
    20,619,837.12/28,436,360.94 = 14,014,319.52/x
  3. Step 3: Cross multiply
    20,619,837.12x = 28,436,360.94 × 14,014,319.52
  4. Step 4: Simplify right side
    20,619,837.12x = 398,516,248,199,207.56
  5. Step 5: Solve for x
    x = 398,516,248,199,207.56/20,619,837.12
  6. Step 6: Final answer
    x = 19,326,837.83

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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.