Home / 6,661,498.19-9,977,113.20-5,213,155.35

Finding the Fourth Proportional to 6,661,498.19, 9,977,113.20 and 5,213,155.35

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Solution

The fourth proportional to 6,661,498.19, 9,977,113.20 and 5,213,155.35 is: 7,807,889.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,661,498.19 : 9,977,113.20 = 5,213,155.35 : x
  2. Step 2: Convert to fraction form
    6,661,498.19/9,977,113.20 = 5,213,155.35/x
  3. Step 3: Cross multiply
    6,661,498.19x = 9,977,113.20 × 5,213,155.35
  4. Step 4: Simplify right side
    6,661,498.19x = 52,012,241,113,099.12
  5. Step 5: Solve for x
    x = 52,012,241,113,099.12/6,661,498.19
  6. Step 6: Final answer
    x = 7,807,889.41

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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.