Home / 12,310,899.54-16,989,920.91-6,804,155.94

Finding the Fourth Proportional to 12,310,899.54, 16,989,920.91 and 6,804,155.94

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Solution

The fourth proportional to 12,310,899.54, 16,989,920.91 and 6,804,155.94 is: 9,390,221.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,310,899.54 : 16,989,920.91 = 6,804,155.94 : x
  2. Step 2: Convert to fraction form
    12,310,899.54/16,989,920.91 = 6,804,155.94/x
  3. Step 3: Cross multiply
    12,310,899.54x = 16,989,920.91 × 6,804,155.94
  4. Step 4: Simplify right side
    12,310,899.54x = 115,602,071,279,906.72
  5. Step 5: Solve for x
    x = 115,602,071,279,906.72/12,310,899.54
  6. Step 6: Final answer
    x = 9,390,221.32

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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.