Home / 13,262,771-19,893,016.80-8,074,033.76

Finding the Fourth Proportional to 13,262,771, 19,893,016.80 and 8,074,033.76

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Solution

The fourth proportional to 13,262,771, 19,893,016.80 and 8,074,033.76 is: 12,110,356.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,262,771 : 19,893,016.80 = 8,074,033.76 : x
  2. Step 2: Convert to fraction form
    13,262,771/19,893,016.80 = 8,074,033.76/x
  3. Step 3: Cross multiply
    13,262,771x = 19,893,016.80 × 8,074,033.76
  4. Step 4: Simplify right side
    13,262,771x = 160,616,889,231,447.16
  5. Step 5: Solve for x
    x = 160,616,889,231,447.16/13,262,771
  6. Step 6: Final answer
    x = 12,110,356.82

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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.