Home / 18,456,345.54-27,685,182.87-6,940,756.98

Finding the Fourth Proportional to 18,456,345.54, 27,685,182.87 and 6,940,756.98

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Solution

The fourth proportional to 18,456,345.54, 27,685,182.87 and 6,940,756.98 is: 10,411,385.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,456,345.54 : 27,685,182.87 = 6,940,756.98 : x
  2. Step 2: Convert to fraction form
    18,456,345.54/27,685,182.87 = 6,940,756.98/x
  3. Step 3: Cross multiply
    18,456,345.54x = 27,685,182.87 × 6,940,756.98
  4. Step 4: Simplify right side
    18,456,345.54x = 192,156,126,247,528.94
  5. Step 5: Solve for x
    x = 192,156,126,247,528.94/18,456,345.54
  6. Step 6: Final answer
    x = 10,411,385.39

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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.