Home / 8,257,638.30-12,386,459.07-2,578,349.22

Finding the Fourth Proportional to 8,257,638.30, 12,386,459.07 and 2,578,349.22

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Solution

The fourth proportional to 8,257,638.30, 12,386,459.07 and 2,578,349.22 is: 3,867,524.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,257,638.30 : 12,386,459.07 = 2,578,349.22 : x
  2. Step 2: Convert to fraction form
    8,257,638.30/12,386,459.07 = 2,578,349.22/x
  3. Step 3: Cross multiply
    8,257,638.30x = 12,386,459.07 × 2,578,349.22
  4. Step 4: Simplify right side
    8,257,638.30x = 31,936,617,081,696.43
  5. Step 5: Solve for x
    x = 31,936,617,081,696.43/8,257,638.30
  6. Step 6: Final answer
    x = 3,867,524.34

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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.