Home / 6,661,500.18-9,977,116.20-5,213,157.36

Finding the Fourth Proportional to 6,661,500.18, 9,977,116.20 and 5,213,157.36

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Solution

The fourth proportional to 6,661,500.18, 9,977,116.20 and 5,213,157.36 is: 7,807,892.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,661,500.18 : 9,977,116.20 = 5,213,157.36 : x
  2. Step 2: Convert to fraction form
    6,661,500.18/9,977,116.20 = 5,213,157.36/x
  3. Step 3: Cross multiply
    6,661,500.18x = 9,977,116.20 × 5,213,157.36
  4. Step 4: Simplify right side
    6,661,500.18x = 52,012,276,749,605.23
  5. Step 5: Solve for x
    x = 52,012,276,749,605.23/6,661,500.18
  6. Step 6: Final answer
    x = 7,807,892.42

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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.