Home / 8,287,239.80-12,430,859.70-7,569,794.45

Finding the Fourth Proportional to 8,287,239.80, 12,430,859.70 and 7,569,794.45

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Solution

The fourth proportional to 8,287,239.80, 12,430,859.70 and 7,569,794.45 is: 11,354,691.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,287,239.80 : 12,430,859.70 = 7,569,794.45 : x
  2. Step 2: Convert to fraction form
    8,287,239.80/12,430,859.70 = 7,569,794.45/x
  3. Step 3: Cross multiply
    8,287,239.80x = 12,430,859.70 × 7,569,794.45
  4. Step 4: Simplify right side
    8,287,239.80x = 94,099,052,765,788.66
  5. Step 5: Solve for x
    x = 94,099,052,765,788.66/8,287,239.80
  6. Step 6: Final answer
    x = 11,354,691.68

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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.