Home / 13,856,693.08-19,120,888.16-7,660,891.30

Finding the Fourth Proportional to 13,856,693.08, 19,120,888.16 and 7,660,891.30

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Solution

The fourth proportional to 13,856,693.08, 19,120,888.16 and 7,660,891.30 is: 10,571,284.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,856,693.08 : 19,120,888.16 = 7,660,891.30 : x
  2. Step 2: Convert to fraction form
    13,856,693.08/19,120,888.16 = 7,660,891.30/x
  3. Step 3: Cross multiply
    13,856,693.08x = 19,120,888.16 × 7,660,891.30
  4. Step 4: Simplify right side
    13,856,693.08x = 146,483,045,753,217
  5. Step 5: Solve for x
    x = 146,483,045,753,217/13,856,693.08
  6. Step 6: Final answer
    x = 10,571,284.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.