Home / 15,639,546.34-21,582,365.54-8,764,162.66

Finding the Fourth Proportional to 15,639,546.34, 21,582,365.54 and 8,764,162.66

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Solution

The fourth proportional to 15,639,546.34, 21,582,365.54 and 8,764,162.66 is: 12,094,427.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,639,546.34 : 21,582,365.54 = 8,764,162.66 : x
  2. Step 2: Convert to fraction form
    15,639,546.34/21,582,365.54 = 8,764,162.66/x
  3. Step 3: Cross multiply
    15,639,546.34x = 21,582,365.54 × 8,764,162.66
  4. Step 4: Simplify right side
    15,639,546.34x = 189,151,362,180,138.72
  5. Step 5: Solve for x
    x = 189,151,362,180,138.72/15,639,546.34
  6. Step 6: Final answer
    x = 12,094,427.68

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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.