Home / 12,256,065.20-18,384,097.80-9,864,580.70

Finding the Fourth Proportional to 12,256,065.20, 18,384,097.80 and 9,864,580.70

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Solution

The fourth proportional to 12,256,065.20, 18,384,097.80 and 9,864,580.70 is: 14,796,871.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,256,065.20 : 18,384,097.80 = 9,864,580.70 : x
  2. Step 2: Convert to fraction form
    12,256,065.20/18,384,097.80 = 9,864,580.70/x
  3. Step 3: Cross multiply
    12,256,065.20x = 18,384,097.80 × 9,864,580.70
  4. Step 4: Simplify right side
    12,256,065.20x = 181,351,416,344,792.47
  5. Step 5: Solve for x
    x = 181,351,416,344,792.47/12,256,065.20
  6. Step 6: Final answer
    x = 14,796,871.05

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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.