Home / 11,972,492.30-16,522,057.82-6,815,853.84

Finding the Fourth Proportional to 11,972,492.30, 16,522,057.82 and 6,815,853.84

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Solution

The fourth proportional to 11,972,492.30, 16,522,057.82 and 6,815,853.84 is: 9,405,888.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,972,492.30 : 16,522,057.82 = 6,815,853.84 : x
  2. Step 2: Convert to fraction form
    11,972,492.30/16,522,057.82 = 6,815,853.84/x
  3. Step 3: Cross multiply
    11,972,492.30x = 16,522,057.82 × 6,815,853.84
  4. Step 4: Simplify right side
    11,972,492.30x = 112,611,931,316,146.38
  5. Step 5: Solve for x
    x = 112,611,931,316,146.38/11,972,492.30
  6. Step 6: Final answer
    x = 9,405,888.81

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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.