Home / 7,912,779.93-11,867,509.12-2,231,675.64

Finding the Fourth Proportional to 7,912,779.93, 11,867,509.12 and 2,231,675.64

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Solution

The fourth proportional to 7,912,779.93, 11,867,509.12 and 2,231,675.64 is: 3,347,045.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,912,779.93 : 11,867,509.12 = 2,231,675.64 : x
  2. Step 2: Convert to fraction form
    7,912,779.93/11,867,509.12 = 2,231,675.64/x
  3. Step 3: Cross multiply
    7,912,779.93x = 11,867,509.12 × 2,231,675.64
  4. Step 4: Simplify right side
    7,912,779.93x = 26,484,431,013,371.43
  5. Step 5: Solve for x
    x = 26,484,431,013,371.43/7,912,779.93
  6. Step 6: Final answer
    x = 3,347,045.06

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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.