Home / 7,890,239.40-11,826,027.90-4,101,772.20

Finding the Fourth Proportional to 7,890,239.40, 11,826,027.90 and 4,101,772.20

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Solution

The fourth proportional to 7,890,239.40, 11,826,027.90 and 4,101,772.20 is: 6,147,807.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,890,239.40 : 11,826,027.90 = 4,101,772.20 : x
  2. Step 2: Convert to fraction form
    7,890,239.40/11,826,027.90 = 4,101,772.20/x
  3. Step 3: Cross multiply
    7,890,239.40x = 11,826,027.90 × 4,101,772.20
  4. Step 4: Simplify right side
    7,890,239.40x = 48,507,672,476,644.38
  5. Step 5: Solve for x
    x = 48,507,672,476,644.38/7,890,239.40
  6. Step 6: Final answer
    x = 6,147,807.44

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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.