Home / 28,957,415.68-39,942,870.40-17,789,021.44

Finding the Fourth Proportional to 28,957,415.68, 39,942,870.40 and 17,789,021.44

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Solution

The fourth proportional to 28,957,415.68, 39,942,870.40 and 17,789,021.44 is: 24,537,568.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,957,415.68 : 39,942,870.40 = 17,789,021.44 : x
  2. Step 2: Convert to fraction form
    28,957,415.68/39,942,870.40 = 17,789,021.44/x
  3. Step 3: Cross multiply
    28,957,415.68x = 39,942,870.40 × 17,789,021.44
  4. Step 4: Simplify right side
    28,957,415.68x = 710,544,577,920,741.38
  5. Step 5: Solve for x
    x = 710,544,577,920,741.38/28,957,415.68
  6. Step 6: Final answer
    x = 24,537,568.74

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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.