Home / 15,498,765.92-21,389,319.12-8,623,262.24

Finding the Fourth Proportional to 15,498,765.92, 21,389,319.12 and 8,623,262.24

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Solution

The fourth proportional to 15,498,765.92, 21,389,319.12 and 8,623,262.24 is: 11,900,670.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,498,765.92 : 21,389,319.12 = 8,623,262.24 : x
  2. Step 2: Convert to fraction form
    15,498,765.92/21,389,319.12 = 8,623,262.24/x
  3. Step 3: Cross multiply
    15,498,765.92x = 21,389,319.12 × 8,623,262.24
  4. Step 4: Simplify right side
    15,498,765.92x = 184,445,707,906,806.03
  5. Step 5: Solve for x
    x = 184,445,707,906,806.03/15,498,765.92
  6. Step 6: Final answer
    x = 11,900,670.60

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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.