Home / 20,470,481.84-30,716,349.72-8,348,838.32

Finding the Fourth Proportional to 20,470,481.84, 30,716,349.72 and 8,348,838.32

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Solution

The fourth proportional to 20,470,481.84, 30,716,349.72 and 8,348,838.32 is: 12,527,591.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,470,481.84 : 30,716,349.72 = 8,348,838.32 : x
  2. Step 2: Convert to fraction form
    20,470,481.84/30,716,349.72 = 8,348,838.32/x
  3. Step 3: Cross multiply
    20,470,481.84x = 30,716,349.72 × 8,348,838.32
  4. Step 4: Simplify right side
    20,470,481.84x = 256,445,837,592,857.28
  5. Step 5: Solve for x
    x = 256,445,837,592,857.28/20,470,481.84
  6. Step 6: Final answer
    x = 12,527,591.66

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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.