Home / 7,652,778.12-11,475,180.90-2,856,522.96

Finding the Fourth Proportional to 7,652,778.12, 11,475,180.90 and 2,856,522.96

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Solution

The fourth proportional to 7,652,778.12, 11,475,180.90 and 2,856,522.96 is: 4,283,296.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,652,778.12 : 11,475,180.90 = 2,856,522.96 : x
  2. Step 2: Convert to fraction form
    7,652,778.12/11,475,180.90 = 2,856,522.96/x
  3. Step 3: Cross multiply
    7,652,778.12x = 11,475,180.90 × 2,856,522.96
  4. Step 4: Simplify right side
    7,652,778.12x = 32,779,117,711,003.46
  5. Step 5: Solve for x
    x = 32,779,117,711,003.46/7,652,778.12
  6. Step 6: Final answer
    x = 4,283,296.50

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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.