Home / 12,256,069.70-18,384,104.55-9,864,585.20

Finding the Fourth Proportional to 12,256,069.70, 18,384,104.55 and 9,864,585.20

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Solution

The fourth proportional to 12,256,069.70, 18,384,104.55 and 9,864,585.20 is: 14,796,877.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,256,069.70 : 18,384,104.55 = 9,864,585.20 : x
  2. Step 2: Convert to fraction form
    12,256,069.70/18,384,104.55 = 9,864,585.20/x
  3. Step 3: Cross multiply
    12,256,069.70x = 18,384,104.55 × 9,864,585.20
  4. Step 4: Simplify right side
    12,256,069.70x = 181,351,565,659,182.66
  5. Step 5: Solve for x
    x = 181,351,565,659,182.66/12,256,069.70
  6. Step 6: Final answer
    x = 14,796,877.80

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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.