Home / 16,201,684.38-22,347,790.47-10,391,262.78

Finding the Fourth Proportional to 16,201,684.38, 22,347,790.47 and 10,391,262.78

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Solution

The fourth proportional to 16,201,684.38, 22,347,790.47 and 10,391,262.78 is: 14,333,186.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,201,684.38 : 22,347,790.47 = 10,391,262.78 : x
  2. Step 2: Convert to fraction form
    16,201,684.38/22,347,790.47 = 10,391,262.78/x
  3. Step 3: Cross multiply
    16,201,684.38x = 22,347,790.47 × 10,391,262.78
  4. Step 4: Simplify right side
    16,201,684.38x = 232,221,763,326,149.69
  5. Step 5: Solve for x
    x = 232,221,763,326,149.69/16,201,684.38
  6. Step 6: Final answer
    x = 14,333,186.47

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1.5x scale

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.