Home / 12,254,640.05-18,346,530.68-11,900,346.05

Finding the Fourth Proportional to 12,254,640.05, 18,346,530.68 and 11,900,346.05

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Solution

The fourth proportional to 12,254,640.05, 18,346,530.68 and 11,900,346.05 is: 17,816,113.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,254,640.05 : 18,346,530.68 = 11,900,346.05 : x
  2. Step 2: Convert to fraction form
    12,254,640.05/18,346,530.68 = 11,900,346.05/x
  3. Step 3: Cross multiply
    12,254,640.05x = 18,346,530.68 × 11,900,346.05
  4. Step 4: Simplify right side
    12,254,640.05x = 218,330,063,849,440.09
  5. Step 5: Solve for x
    x = 218,330,063,849,440.09/12,254,640.05
  6. Step 6: Final answer
    x = 17,816,113.97

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1.5x scale

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.