Home / 22,703,364.35-31,330,205.61-12,390,161.25

Finding the Fourth Proportional to 22,703,364.35, 31,330,205.61 and 12,390,161.25

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Solution

The fourth proportional to 22,703,364.35, 31,330,205.61 and 12,390,161.25 is: 17,098,183.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,703,364.35 : 31,330,205.61 = 12,390,161.25 : x
  2. Step 2: Convert to fraction form
    22,703,364.35/31,330,205.61 = 12,390,161.25/x
  3. Step 3: Cross multiply
    22,703,364.35x = 31,330,205.61 × 12,390,161.25
  4. Step 4: Simplify right side
    22,703,364.35x = 388,186,299,503,554.62
  5. Step 5: Solve for x
    x = 388,186,299,503,554.62/22,703,364.35
  6. Step 6: Final answer
    x = 17,098,183.93

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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.