Home / 18,540,113.89-25,583,005.18-10,165,279.92

Finding the Fourth Proportional to 18,540,113.89, 25,583,005.18 and 10,165,279.92

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Solution

The fourth proportional to 18,540,113.89, 25,583,005.18 and 10,165,279.92 is: 14,026,796.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,540,113.89 : 25,583,005.18 = 10,165,279.92 : x
  2. Step 2: Convert to fraction form
    18,540,113.89/25,583,005.18 = 10,165,279.92/x
  3. Step 3: Cross multiply
    18,540,113.89x = 25,583,005.18 × 10,165,279.92
  4. Step 4: Simplify right side
    18,540,113.89x = 260,058,408,849,509.97
  5. Step 5: Solve for x
    x = 260,058,408,849,509.97/18,540,113.89
  6. Step 6: Final answer
    x = 14,026,796.73

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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.