Home / 22,209,846.80-30,648,316.91-12,286,137.47

Finding the Fourth Proportional to 22,209,846.80, 30,648,316.91 and 12,286,137.47

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Solution

The fourth proportional to 22,209,846.80, 30,648,316.91 and 12,286,137.47 is: 16,954,166.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,209,846.80 : 30,648,316.91 = 12,286,137.47 : x
  2. Step 2: Convert to fraction form
    22,209,846.80/30,648,316.91 = 12,286,137.47/x
  3. Step 3: Cross multiply
    22,209,846.80x = 30,648,316.91 × 12,286,137.47
  4. Step 4: Simplify right side
    22,209,846.80x = 376,549,434,565,713.38
  5. Step 5: Solve for x
    x = 376,549,434,565,713.38/22,209,846.80
  6. Step 6: Final answer
    x = 16,954,166.23

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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.