Home / 7,262,181.80-10,916,892.30-5,146,915.40

Finding the Fourth Proportional to 7,262,181.80, 10,916,892.30 and 5,146,915.40

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Solution

The fourth proportional to 7,262,181.80, 10,916,892.30 and 5,146,915.40 is: 7,737,112.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,262,181.80 : 10,916,892.30 = 5,146,915.40 : x
  2. Step 2: Convert to fraction form
    7,262,181.80/10,916,892.30 = 5,146,915.40/x
  3. Step 3: Cross multiply
    7,262,181.80x = 10,916,892.30 × 5,146,915.40
  4. Step 4: Simplify right side
    7,262,181.80x = 56,188,321,099,011.43
  5. Step 5: Solve for x
    x = 56,188,321,099,011.43/7,262,181.80
  6. Step 6: Final answer
    x = 7,737,112.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.