Home / 12,225,755.40-16,871,946.92-6,719,325.44

Finding the Fourth Proportional to 12,225,755.40, 16,871,946.92 and 6,719,325.44

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Solution

The fourth proportional to 12,225,755.40, 16,871,946.92 and 6,719,325.44 is: 9,272,891.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,225,755.40 : 16,871,946.92 = 6,719,325.44 : x
  2. Step 2: Convert to fraction form
    12,225,755.40/16,871,946.92 = 6,719,325.44/x
  3. Step 3: Cross multiply
    12,225,755.40x = 16,871,946.92 × 6,719,325.44
  4. Step 4: Simplify right side
    12,225,755.40x = 113,368,102,106,922.97
  5. Step 5: Solve for x
    x = 113,368,102,106,922.97/12,225,755.40
  6. Step 6: Final answer
    x = 9,272,891.40

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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.