Home / 13,480,830.45-20,219,252.46-4,959,174.02

Finding the Fourth Proportional to 13,480,830.45, 20,219,252.46 and 4,959,174.02

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Solution

The fourth proportional to 13,480,830.45, 20,219,252.46 and 4,959,174.02 is: 7,438,027.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,480,830.45 : 20,219,252.46 = 4,959,174.02 : x
  2. Step 2: Convert to fraction form
    13,480,830.45/20,219,252.46 = 4,959,174.02/x
  3. Step 3: Cross multiply
    13,480,830.45x = 20,219,252.46 × 4,959,174.02
  4. Step 4: Simplify right side
    13,480,830.45x = 100,270,791,402,356.83
  5. Step 5: Solve for x
    x = 100,270,791,402,356.83/13,480,830.45
  6. Step 6: Final answer
    x = 7,438,027.78

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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.