Home / 15,762,916,131.02-21,752,810,207.13-8,897,757,793.65

Finding the Fourth Proportional to 15,762,916,131.02, 21,752,810,207.13 and 8,897,757,793.65

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Solution

The fourth proportional to 15,762,916,131.02, 21,752,810,207.13 and 8,897,757,793.65 is: 12,278,897,822.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,762,916,131.02 : 21,752,810,207.13 = 8,897,757,793.65 : x
  2. Step 2: Convert to fraction form
    15,762,916,131.02/21,752,810,207.13 = 8,897,757,793.65/x
  3. Step 3: Cross multiply
    15,762,916,131.02x = 21,752,810,207.13 × 8,897,757,793.65
  4. Step 4: Simplify right side
    15,762,916,131.02x = 193,551,236,554,315,792,384
  5. Step 5: Solve for x
    x = 193,551,236,554,315,792,384/15,762,916,131.02
  6. Step 6: Final answer
    x = 12,278,897,822.30

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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.