Home / 12,602,390.61-18,906,949.87-4,516,183.65

Finding the Fourth Proportional to 12,602,390.61, 18,906,949.87 and 4,516,183.65

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Solution

The fourth proportional to 12,602,390.61, 18,906,949.87 and 4,516,183.65 is: 6,775,480.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,602,390.61 : 18,906,949.87 = 4,516,183.65 : x
  2. Step 2: Convert to fraction form
    12,602,390.61/18,906,949.87 = 4,516,183.65/x
  3. Step 3: Cross multiply
    12,602,390.61x = 18,906,949.87 × 4,516,183.65
  4. Step 4: Simplify right side
    12,602,390.61x = 85,387,257,804,415.33
  5. Step 5: Solve for x
    x = 85,387,257,804,415.33/12,602,390.61
  6. Step 6: Final answer
    x = 6,775,480.98

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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.