Home / 20,453,529.60-28,222,583.04-11,632,049.28

Finding the Fourth Proportional to 20,453,529.60, 28,222,583.04 and 11,632,049.28

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Solution

The fourth proportional to 20,453,529.60, 28,222,583.04 and 11,632,049.28 is: 16,050,358.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,453,529.60 : 28,222,583.04 = 11,632,049.28 : x
  2. Step 2: Convert to fraction form
    20,453,529.60/28,222,583.04 = 11,632,049.28/x
  3. Step 3: Cross multiply
    20,453,529.60x = 28,222,583.04 × 11,632,049.28
  4. Step 4: Simplify right side
    20,453,529.60x = 328,286,476,730,172.19
  5. Step 5: Solve for x
    x = 328,286,476,730,172.19/20,453,529.60
  6. Step 6: Final answer
    x = 16,050,358.21

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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.