Home / 6,661,500.69-9,977,116.95-5,213,157.85

Finding the Fourth Proportional to 6,661,500.69, 9,977,116.95 and 5,213,157.85

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Solution

The fourth proportional to 6,661,500.69, 9,977,116.95 and 5,213,157.85 is: 7,807,893.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,661,500.69 : 9,977,116.95 = 5,213,157.85 : x
  2. Step 2: Convert to fraction form
    6,661,500.69/9,977,116.95 = 5,213,157.85/x
  3. Step 3: Cross multiply
    6,661,500.69x = 9,977,116.95 × 5,213,157.85
  4. Step 4: Simplify right side
    6,661,500.69x = 52,012,285,548,260.55
  5. Step 5: Solve for x
    x = 52,012,285,548,260.55/6,661,500.69
  6. Step 6: Final answer
    x = 7,807,893.14

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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.