Home / 20,659,962.60-30,991,110.30-6,283,499.40

Finding the Fourth Proportional to 20,659,962.60, 30,991,110.30 and 6,283,499.40

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Solution

The fourth proportional to 20,659,962.60, 30,991,110.30 and 6,283,499.40 is: 9,425,603.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,659,962.60 : 30,991,110.30 = 6,283,499.40 : x
  2. Step 2: Convert to fraction form
    20,659,962.60/30,991,110.30 = 6,283,499.40/x
  3. Step 3: Cross multiply
    20,659,962.60x = 30,991,110.30 × 6,283,499.40
  4. Step 4: Simplify right side
    20,659,962.60x = 194,732,622,975,383.84
  5. Step 5: Solve for x
    x = 194,732,622,975,383.84/20,659,962.60
  6. Step 6: Final answer
    x = 9,425,603.85

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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.