Home / 12,608,145.52-18,911,036.39-4,088,555.80

Finding the Fourth Proportional to 12,608,145.52, 18,911,036.39 and 4,088,555.80

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Solution

The fourth proportional to 12,608,145.52, 18,911,036.39 and 4,088,555.80 is: 6,132,450.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,608,145.52 : 18,911,036.39 = 4,088,555.80 : x
  2. Step 2: Convert to fraction form
    12,608,145.52/18,911,036.39 = 4,088,555.80/x
  3. Step 3: Cross multiply
    12,608,145.52x = 18,911,036.39 × 4,088,555.80
  4. Step 4: Simplify right side
    12,608,145.52x = 77,318,827,448,625.20
  5. Step 5: Solve for x
    x = 77,318,827,448,625.20/12,608,145.52
  6. Step 6: Final answer
    x = 6,132,450.43

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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.