Home / 7,889,684.40-11,834,526.60-6,561,081.90

Finding the Fourth Proportional to 7,889,684.40, 11,834,526.60 and 6,561,081.90

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Solution

The fourth proportional to 7,889,684.40, 11,834,526.60 and 6,561,081.90 is: 9,841,622.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,889,684.40 : 11,834,526.60 = 6,561,081.90 : x
  2. Step 2: Convert to fraction form
    7,889,684.40/11,834,526.60 = 6,561,081.90/x
  3. Step 3: Cross multiply
    7,889,684.40x = 11,834,526.60 × 6,561,081.90
  4. Step 4: Simplify right side
    7,889,684.40x = 77,647,298,270,328.55
  5. Step 5: Solve for x
    x = 77,647,298,270,328.55/7,889,684.40
  6. Step 6: Final answer
    x = 9,841,622.85

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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.