Home / 21,740,824.80-30,001,685.04-11,951,255.52

Finding the Fourth Proportional to 21,740,824.80, 30,001,685.04 and 11,951,255.52

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Solution

The fourth proportional to 21,740,824.80, 30,001,685.04 and 11,951,255.52 is: 16,492,373.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,740,824.80 : 30,001,685.04 = 11,951,255.52 : x
  2. Step 2: Convert to fraction form
    21,740,824.80/30,001,685.04 = 11,951,255.52/x
  3. Step 3: Cross multiply
    21,740,824.80x = 30,001,685.04 × 11,951,255.52
  4. Step 4: Simplify right side
    21,740,824.80x = 358,557,803,943,601.38
  5. Step 5: Solve for x
    x = 358,557,803,943,601.38/21,740,824.80
  6. Step 6: Final answer
    x = 16,492,373.55

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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.