Home / 47,893,704.30-71,840,556.45-21,019,848.30

Finding the Fourth Proportional to 47,893,704.30, 71,840,556.45 and 21,019,848.30

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Solution

The fourth proportional to 47,893,704.30, 71,840,556.45 and 21,019,848.30 is: 31,529,772.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,893,704.30 : 71,840,556.45 = 21,019,848.30 : x
  2. Step 2: Convert to fraction form
    47,893,704.30/71,840,556.45 = 21,019,848.30/x
  3. Step 3: Cross multiply
    47,893,704.30x = 71,840,556.45 × 21,019,848.30
  4. Step 4: Simplify right side
    47,893,704.30x = 1,510,077,598,366,586.75
  5. Step 5: Solve for x
    x = 1,510,077,598,366,586.75/47,893,704.30
  6. Step 6: Final answer
    x = 31,529,772.45

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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.