Home / 8,991,032.20-13,486,548.30-7,951,769.80

Finding the Fourth Proportional to 8,991,032.20, 13,486,548.30 and 7,951,769.80

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Solution

The fourth proportional to 8,991,032.20, 13,486,548.30 and 7,951,769.80 is: 11,927,654.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,991,032.20 : 13,486,548.30 = 7,951,769.80 : x
  2. Step 2: Convert to fraction form
    8,991,032.20/13,486,548.30 = 7,951,769.80/x
  3. Step 3: Cross multiply
    8,991,032.20x = 13,486,548.30 × 7,951,769.80
  4. Step 4: Simplify right side
    8,991,032.20x = 107,241,927,478,181.34
  5. Step 5: Solve for x
    x = 107,241,927,478,181.34/8,991,032.20
  6. Step 6: Final answer
    x = 11,927,654.70

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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.