Home / 21,261,893,542.20-31,892,840,313.30-10,217,746,495.80

Finding the Fourth Proportional to 21,261,893,542.20, 31,892,840,313.30 and 10,217,746,495.80

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Solution

The fourth proportional to 21,261,893,542.20, 31,892,840,313.30 and 10,217,746,495.80 is: 15,326,619,743.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,261,893,542.20 : 31,892,840,313.30 = 10,217,746,495.80 : x
  2. Step 2: Convert to fraction form
    21,261,893,542.20/31,892,840,313.30 = 10,217,746,495.80/x
  3. Step 3: Cross multiply
    21,261,893,542.20x = 31,892,840,313.30 × 10,217,746,495.80
  4. Step 4: Simplify right side
    21,261,893,542.20x = 325,872,957,352,330,002,432
  5. Step 5: Solve for x
    x = 325,872,957,352,330,002,432/21,261,893,542.20
  6. Step 6: Final answer
    x = 15,326,619,743.70

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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.