Home / 20,212,848.30-30,319,272.45-7,430,708.10

Finding the Fourth Proportional to 20,212,848.30, 30,319,272.45 and 7,430,708.10

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Solution

The fourth proportional to 20,212,848.30, 30,319,272.45 and 7,430,708.10 is: 11,146,062.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,212,848.30 : 30,319,272.45 = 7,430,708.10 : x
  2. Step 2: Convert to fraction form
    20,212,848.30/30,319,272.45 = 7,430,708.10/x
  3. Step 3: Cross multiply
    20,212,848.30x = 30,319,272.45 × 7,430,708.10
  4. Step 4: Simplify right side
    20,212,848.30x = 225,293,663,380,321.84
  5. Step 5: Solve for x
    x = 225,293,663,380,321.84/20,212,848.30
  6. Step 6: Final answer
    x = 11,146,062.15

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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.