Home / 5,475,638.91-8,212,830.90-1,432,516.89

Finding the Fourth Proportional to 5,475,638.91, 8,212,830.90 and 1,432,516.89

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Solution

The fourth proportional to 5,475,638.91, 8,212,830.90 and 1,432,516.89 is: 2,148,611.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,475,638.91 : 8,212,830.90 = 1,432,516.89 : x
  2. Step 2: Convert to fraction form
    5,475,638.91/8,212,830.90 = 1,432,516.89/x
  3. Step 3: Cross multiply
    5,475,638.91x = 8,212,830.90 × 1,432,516.89
  4. Step 4: Simplify right side
    5,475,638.91x = 11,765,018,978,963.90
  5. Step 5: Solve for x
    x = 11,765,018,978,963.90/5,475,638.91
  6. Step 6: Final answer
    x = 2,148,611.18

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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.