Home / 21,261,893,559.20-31,892,840,338.80-10,217,746,512.80

Finding the Fourth Proportional to 21,261,893,559.20, 31,892,840,338.80 and 10,217,746,512.80

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Solution

The fourth proportional to 21,261,893,559.20, 31,892,840,338.80 and 10,217,746,512.80 is: 15,326,619,769.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,261,893,559.20 : 31,892,840,338.80 = 10,217,746,512.80 : x
  2. Step 2: Convert to fraction form
    21,261,893,559.20/31,892,840,338.80 = 10,217,746,512.80/x
  3. Step 3: Cross multiply
    21,261,893,559.20x = 31,892,840,338.80 × 10,217,746,512.80
  4. Step 4: Simplify right side
    21,261,893,559.20x = 325,872,958,155,060,871,168
  5. Step 5: Solve for x
    x = 325,872,958,155,060,871,168/21,261,893,559.20
  6. Step 6: Final answer
    x = 15,326,619,769.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.