Home / 7,779,344.40-11,669,016.60-5,091,958.80

Finding the Fourth Proportional to 7,779,344.40, 11,669,016.60 and 5,091,958.80

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Solution

The fourth proportional to 7,779,344.40, 11,669,016.60 and 5,091,958.80 is: 7,637,938.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,779,344.40 : 11,669,016.60 = 5,091,958.80 : x
  2. Step 2: Convert to fraction form
    7,779,344.40/11,669,016.60 = 5,091,958.80/x
  3. Step 3: Cross multiply
    7,779,344.40x = 11,669,016.60 × 5,091,958.80
  4. Step 4: Simplify right side
    7,779,344.40x = 59,418,151,763,716.08
  5. Step 5: Solve for x
    x = 59,418,151,763,716.08/7,779,344.40
  6. Step 6: Final answer
    x = 7,637,938.20

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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.