Home / 40,285,625.29-60,446,298.97-21,111,823.69

Finding the Fourth Proportional to 40,285,625.29, 60,446,298.97 and 21,111,823.69

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Solution

The fourth proportional to 40,285,625.29, 60,446,298.97 and 21,111,823.69 is: 31,677,095.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,285,625.29 : 60,446,298.97 = 21,111,823.69 : x
  2. Step 2: Convert to fraction form
    40,285,625.29/60,446,298.97 = 21,111,823.69/x
  3. Step 3: Cross multiply
    40,285,625.29x = 60,446,298.97 × 21,111,823.69
  4. Step 4: Simplify right side
    40,285,625.29x = 1,276,131,606,567,668.75
  5. Step 5: Solve for x
    x = 1,276,131,606,567,668.75/40,285,625.29
  6. Step 6: Final answer
    x = 31,677,095.67

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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.