Home / 12,310,885.60-16,989,901.26-6,804,142.16

Finding the Fourth Proportional to 12,310,885.60, 16,989,901.26 and 6,804,142.16

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Solution

The fourth proportional to 12,310,885.60, 16,989,901.26 and 6,804,142.16 is: 9,390,202.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,310,885.60 : 16,989,901.26 = 6,804,142.16 : x
  2. Step 2: Convert to fraction form
    12,310,885.60/16,989,901.26 = 6,804,142.16/x
  3. Step 3: Cross multiply
    12,310,885.60x = 16,989,901.26 × 6,804,142.16
  4. Step 4: Simplify right side
    12,310,885.60x = 115,601,703,457,403.14
  5. Step 5: Solve for x
    x = 115,601,703,457,403.14/12,310,885.60
  6. Step 6: Final answer
    x = 9,390,202.07

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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.