Home / 20,740,534.98-28,617,665.07-11,918,282.22

Finding the Fourth Proportional to 20,740,534.98, 28,617,665.07 and 11,918,282.22

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Solution

The fourth proportional to 20,740,534.98, 28,617,665.07 and 11,918,282.22 is: 16,444,773.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,740,534.98 : 28,617,665.07 = 11,918,282.22 : x
  2. Step 2: Convert to fraction form
    20,740,534.98/28,617,665.07 = 11,918,282.22/x
  3. Step 3: Cross multiply
    20,740,534.98x = 28,617,665.07 × 11,918,282.22
  4. Step 4: Simplify right side
    20,740,534.98x = 341,073,408,781,696.06
  5. Step 5: Solve for x
    x = 341,073,408,781,696.06/20,740,534.98
  6. Step 6: Final answer
    x = 16,444,773.92

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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.