Home / 21,786,668.16-30,063,316.29-12,364,458.66

Finding the Fourth Proportional to 21,786,668.16, 30,063,316.29 and 12,364,458.66

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Solution

The fourth proportional to 21,786,668.16, 30,063,316.29 and 12,364,458.66 is: 17,061,655.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,786,668.16 : 30,063,316.29 = 12,364,458.66 : x
  2. Step 2: Convert to fraction form
    21,786,668.16/30,063,316.29 = 12,364,458.66/x
  3. Step 3: Cross multiply
    21,786,668.16x = 30,063,316.29 × 12,364,458.66
  4. Step 4: Simplify right side
    21,786,668.16x = 371,716,631,450,209.56
  5. Step 5: Solve for x
    x = 371,716,631,450,209.56/21,786,668.16
  6. Step 6: Final answer
    x = 17,061,655.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.