Home / 20,659,083.60-30,988,625.40-11,093,145.60

Finding the Fourth Proportional to 20,659,083.60, 30,988,625.40 and 11,093,145.60

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Solution

The fourth proportional to 20,659,083.60, 30,988,625.40 and 11,093,145.60 is: 16,639,718.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,659,083.60 : 30,988,625.40 = 11,093,145.60 : x
  2. Step 2: Convert to fraction form
    20,659,083.60/30,988,625.40 = 11,093,145.60/x
  3. Step 3: Cross multiply
    20,659,083.60x = 30,988,625.40 × 11,093,145.60
  4. Step 4: Simplify right side
    20,659,083.60x = 343,761,333,506,058.19
  5. Step 5: Solve for x
    x = 343,761,333,506,058.19/20,659,083.60
  6. Step 6: Final answer
    x = 16,639,718.40

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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.