Home / 12,310,845.24-16,989,846.03-6,804,101.55

Finding the Fourth Proportional to 12,310,845.24, 16,989,846.03 and 6,804,101.55

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Solution

The fourth proportional to 12,310,845.24, 16,989,846.03 and 6,804,101.55 is: 9,390,146.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,310,845.24 : 16,989,846.03 = 6,804,101.55 : x
  2. Step 2: Convert to fraction form
    12,310,845.24/16,989,846.03 = 6,804,101.55/x
  3. Step 3: Cross multiply
    12,310,845.24x = 16,989,846.03 × 6,804,101.55
  4. Step 4: Simplify right side
    12,310,845.24x = 115,600,637,706,984.34
  5. Step 5: Solve for x
    x = 115,600,637,706,984.34/12,310,845.24
  6. Step 6: Final answer
    x = 9,390,146.29

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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.