Home / 7,979,587.51-11,971,062.52-2,587,817.51

Finding the Fourth Proportional to 7,979,587.51, 11,971,062.52 and 2,587,817.51

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Solution

The fourth proportional to 7,979,587.51, 11,971,062.52 and 2,587,817.51 is: 3,882,271.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,979,587.51 : 11,971,062.52 = 2,587,817.51 : x
  2. Step 2: Convert to fraction form
    7,979,587.51/11,971,062.52 = 2,587,817.51/x
  3. Step 3: Cross multiply
    7,979,587.51x = 11,971,062.52 × 2,587,817.51
  4. Step 4: Simplify right side
    7,979,587.51x = 30,978,925,205,795.50
  5. Step 5: Solve for x
    x = 30,978,925,205,795.50/7,979,587.51
  6. Step 6: Final answer
    x = 3,882,271.50

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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.