Home / 23,130,171.33-31,919,636.65-12,816,894.42

Finding the Fourth Proportional to 23,130,171.33, 31,919,636.65 and 12,816,894.42

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Solution

The fourth proportional to 23,130,171.33, 31,919,636.65 and 12,816,894.42 is: 17,687,314.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,130,171.33 : 31,919,636.65 = 12,816,894.42 : x
  2. Step 2: Convert to fraction form
    23,130,171.33/31,919,636.65 = 12,816,894.42/x
  3. Step 3: Cross multiply
    23,130,171.33x = 31,919,636.65 × 12,816,894.42
  4. Step 4: Simplify right side
    23,130,171.33x = 409,110,612,835,770.25
  5. Step 5: Solve for x
    x = 409,110,612,835,770.25/23,130,171.33
  6. Step 6: Final answer
    x = 17,687,314.42

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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.