Home / 21,345,013.18-29,505,761.95-19,044,704.71

Finding the Fourth Proportional to 21,345,013.18, 29,505,761.95 and 19,044,704.71

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Solution

The fourth proportional to 21,345,013.18, 29,505,761.95 and 19,044,704.71 is: 26,325,986.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,345,013.18 : 29,505,761.95 = 19,044,704.71 : x
  2. Step 2: Convert to fraction form
    21,345,013.18/29,505,761.95 = 19,044,704.71/x
  3. Step 3: Cross multiply
    21,345,013.18x = 29,505,761.95 × 19,044,704.71
  4. Step 4: Simplify right side
    21,345,013.18x = 561,928,523,386,163.19
  5. Step 5: Solve for x
    x = 561,928,523,386,163.19/21,345,013.18
  6. Step 6: Final answer
    x = 26,325,986.25

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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.