Home / 13,905,951-20,868,181.88-5,715,310.20

Finding the Fourth Proportional to 13,905,951, 20,868,181.88 and 5,715,310.20

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Solution

The fourth proportional to 13,905,951, 20,868,181.88 and 5,715,310.20 is: 8,576,769.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,905,951 : 20,868,181.88 = 5,715,310.20 : x
  2. Step 2: Convert to fraction form
    13,905,951/20,868,181.88 = 5,715,310.20/x
  3. Step 3: Cross multiply
    13,905,951x = 20,868,181.88 × 5,715,310.20
  4. Step 4: Simplify right side
    13,905,951x = 119,268,132,754,219.17
  5. Step 5: Solve for x
    x = 119,268,132,754,219.17/13,905,951
  6. Step 6: Final answer
    x = 8,576,769.24

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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.