Home / 21,058,106,605.43-31,587,157,990.06-9,267,225,073.97

Finding the Fourth Proportional to 21,058,106,605.43, 31,587,157,990.06 and 9,267,225,073.97

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Solution

The fourth proportional to 21,058,106,605.43, 31,587,157,990.06 and 9,267,225,073.97 is: 13,900,836,766.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,058,106,605.43 : 31,587,157,990.06 = 9,267,225,073.97 : x
  2. Step 2: Convert to fraction form
    21,058,106,605.43/31,587,157,990.06 = 9,267,225,073.97/x
  3. Step 3: Cross multiply
    21,058,106,605.43x = 31,587,157,990.06 × 9,267,225,073.97
  4. Step 4: Simplify right side
    21,058,106,605.43x = 292,725,302,540,759,367,680
  5. Step 5: Solve for x
    x = 292,725,302,540,759,367,680/21,058,106,605.43
  6. Step 6: Final answer
    x = 13,900,836,766.84

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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.