Home / 28,803,373,915.55-39,747,793,087.04-15,943,540,994.12

Finding the Fourth Proportional to 28,803,373,915.55, 39,747,793,087.04 and 15,943,540,994.12

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Solution

The fourth proportional to 28,803,373,915.55, 39,747,793,087.04 and 15,943,540,994.12 is: 22,001,608,921.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,803,373,915.55 : 39,747,793,087.04 = 15,943,540,994.12 : x
  2. Step 2: Convert to fraction form
    28,803,373,915.55/39,747,793,087.04 = 15,943,540,994.12/x
  3. Step 3: Cross multiply
    28,803,373,915.55x = 39,747,793,087.04 × 15,943,540,994.12
  4. Step 4: Simplify right side
    28,803,373,915.55x = 633,720,568,508,743,417,856
  5. Step 5: Solve for x
    x = 633,720,568,508,743,417,856/28,803,373,915.55
  6. Step 6: Final answer
    x = 22,001,608,921.47

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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.