Home / 28,979,562.09-39,992,262.47-16,589,605.66

Finding the Fourth Proportional to 28,979,562.09, 39,992,262.47 and 16,589,605.66

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Solution

The fourth proportional to 28,979,562.09, 39,992,262.47 and 16,589,605.66 is: 22,893,923.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,979,562.09 : 39,992,262.47 = 16,589,605.66 : x
  2. Step 2: Convert to fraction form
    28,979,562.09/39,992,262.47 = 16,589,605.66/x
  3. Step 3: Cross multiply
    28,979,562.09x = 39,992,262.47 × 16,589,605.66
  4. Step 4: Simplify right side
    28,979,562.09x = 663,455,863,932,756.38
  5. Step 5: Solve for x
    x = 663,455,863,932,756.38/28,979,562.09
  6. Step 6: Final answer
    x = 22,893,923.03

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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.