Home / 20,331,943.06-28,058,568.95-11,039,904.77

Finding the Fourth Proportional to 20,331,943.06, 28,058,568.95 and 11,039,904.77

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Solution

The fourth proportional to 20,331,943.06, 28,058,568.95 and 11,039,904.77 is: 15,235,333.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,331,943.06 : 28,058,568.95 = 11,039,904.77 : x
  2. Step 2: Convert to fraction form
    20,331,943.06/28,058,568.95 = 11,039,904.77/x
  3. Step 3: Cross multiply
    20,331,943.06x = 28,058,568.95 × 11,039,904.77
  4. Step 4: Simplify right side
    20,331,943.06x = 309,763,929,135,279.38
  5. Step 5: Solve for x
    x = 309,763,929,135,279.38/20,331,943.06
  6. Step 6: Final answer
    x = 15,235,333.30

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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.