Home / 13,480,825.20-20,219,244.59-4,959,168.77

Finding the Fourth Proportional to 13,480,825.20, 20,219,244.59 and 4,959,168.77

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Solution

The fourth proportional to 13,480,825.20, 20,219,244.59 and 4,959,168.77 is: 7,438,019.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,480,825.20 : 20,219,244.59 = 4,959,168.77 : x
  2. Step 2: Convert to fraction form
    13,480,825.20/20,219,244.59 = 4,959,168.77/x
  3. Step 3: Cross multiply
    13,480,825.20x = 20,219,244.59 × 4,959,168.77
  4. Step 4: Simplify right side
    13,480,825.20x = 100,270,646,197,827.39
  5. Step 5: Solve for x
    x = 100,270,646,197,827.39/13,480,825.20
  6. Step 6: Final answer
    x = 7,438,019.91

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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.