Home / 8,201,333.20-12,301,999.80-3,152,808.40

Finding the Fourth Proportional to 8,201,333.20, 12,301,999.80 and 3,152,808.40

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Solution

The fourth proportional to 8,201,333.20, 12,301,999.80 and 3,152,808.40 is: 4,729,212.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,201,333.20 : 12,301,999.80 = 3,152,808.40 : x
  2. Step 2: Convert to fraction form
    8,201,333.20/12,301,999.80 = 3,152,808.40/x
  3. Step 3: Cross multiply
    8,201,333.20x = 12,301,999.80 × 3,152,808.40
  4. Step 4: Simplify right side
    8,201,333.20x = 38,785,848,306,238.32
  5. Step 5: Solve for x
    x = 38,785,848,306,238.32/8,201,333.20
  6. Step 6: Final answer
    x = 4,729,212.60

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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.