Home / 18,550,746.54-27,828,028.17-6,420,188.16

Finding the Fourth Proportional to 18,550,746.54, 27,828,028.17 and 6,420,188.16

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Solution

The fourth proportional to 18,550,746.54, 27,828,028.17 and 6,420,188.16 is: 9,630,942.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,550,746.54 : 27,828,028.17 = 6,420,188.16 : x
  2. Step 2: Convert to fraction form
    18,550,746.54/27,828,028.17 = 6,420,188.16/x
  3. Step 3: Cross multiply
    18,550,746.54x = 27,828,028.17 × 6,420,188.16
  4. Step 4: Simplify right side
    18,550,746.54x = 178,661,176,973,180.47
  5. Step 5: Solve for x
    x = 178,661,176,973,180.47/18,550,746.54
  6. Step 6: Final answer
    x = 9,630,942.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.