Home / 9,058,138.72-12,500,354.52-4,928,219.18

Finding the Fourth Proportional to 9,058,138.72, 12,500,354.52 and 4,928,219.18

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Solution

The fourth proportional to 9,058,138.72, 12,500,354.52 and 4,928,219.18 is: 6,801,009.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,058,138.72 : 12,500,354.52 = 4,928,219.18 : x
  2. Step 2: Convert to fraction form
    9,058,138.72/12,500,354.52 = 4,928,219.18/x
  3. Step 3: Cross multiply
    9,058,138.72x = 12,500,354.52 × 4,928,219.18
  4. Step 4: Simplify right side
    9,058,138.72x = 61,604,486,902,263.69
  5. Step 5: Solve for x
    x = 61,604,486,902,263.69/9,058,138.72
  6. Step 6: Final answer
    x = 6,801,009.44

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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.