Home / 13,267,722.66-19,900,835.43-5,879,642.39

Finding the Fourth Proportional to 13,267,722.66, 19,900,835.43 and 5,879,642.39

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Solution

The fourth proportional to 13,267,722.66, 19,900,835.43 and 5,879,642.39 is: 8,819,131.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,267,722.66 : 19,900,835.43 = 5,879,642.39 : x
  2. Step 2: Convert to fraction form
    13,267,722.66/19,900,835.43 = 5,879,642.39/x
  3. Step 3: Cross multiply
    13,267,722.66x = 19,900,835.43 × 5,879,642.39
  4. Step 4: Simplify right side
    13,267,722.66x = 117,009,795,543,717.17
  5. Step 5: Solve for x
    x = 117,009,795,543,717.17/13,267,722.66
  6. Step 6: Final answer
    x = 8,819,131.86

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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.