Home / 47,139,697.97-65,058,446.36-28,554,292.78

Finding the Fourth Proportional to 47,139,697.97, 65,058,446.36 and 28,554,292.78

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Solution

The fourth proportional to 47,139,697.97, 65,058,446.36 and 28,554,292.78 is: 39,408,354.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,139,697.97 : 65,058,446.36 = 28,554,292.78 : x
  2. Step 2: Convert to fraction form
    47,139,697.97/65,058,446.36 = 28,554,292.78/x
  3. Step 3: Cross multiply
    47,139,697.97x = 65,058,446.36 × 28,554,292.78
  4. Step 4: Simplify right side
    47,139,697.97x = 1,857,697,924,707,301.50
  5. Step 5: Solve for x
    x = 1,857,697,924,707,301.50/47,139,697.97
  6. Step 6: Final answer
    x = 39,408,354.42

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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.