Home / 8,265,715.52-12,398,700.43-3,148,430.77

Finding the Fourth Proportional to 8,265,715.52, 12,398,700.43 and 3,148,430.77

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Solution

The fourth proportional to 8,265,715.52, 12,398,700.43 and 3,148,430.77 is: 4,722,694.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,265,715.52 : 12,398,700.43 = 3,148,430.77 : x
  2. Step 2: Convert to fraction form
    8,265,715.52/12,398,700.43 = 3,148,430.77/x
  3. Step 3: Cross multiply
    8,265,715.52x = 12,398,700.43 × 3,148,430.77
  4. Step 4: Simplify right side
    8,265,715.52x = 39,036,449,873,805.53
  5. Step 5: Solve for x
    x = 39,036,449,873,805.53/8,265,715.52
  6. Step 6: Final answer
    x = 4,722,694.58

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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.