Home / 28,477,695.92-39,299,221.69-15,424,954.82

Finding the Fourth Proportional to 28,477,695.92, 39,299,221.69 and 15,424,954.82

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Solution

The fourth proportional to 28,477,695.92, 39,299,221.69 and 15,424,954.82 is: 21,286,438.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,477,695.92 : 39,299,221.69 = 15,424,954.82 : x
  2. Step 2: Convert to fraction form
    28,477,695.92/39,299,221.69 = 15,424,954.82/x
  3. Step 3: Cross multiply
    28,477,695.92x = 39,299,221.69 × 15,424,954.82
  4. Step 4: Simplify right side
    28,477,695.92x = 606,188,718,794,355.50
  5. Step 5: Solve for x
    x = 606,188,718,794,355.50/28,477,695.92
  6. Step 6: Final answer
    x = 21,286,438.36

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1.5x scale

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.