Home / 28,248,174.09-38,977,838.25-16,644,159.86

Finding the Fourth Proportional to 28,248,174.09, 38,977,838.25 and 16,644,159.86

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Solution

The fourth proportional to 28,248,174.09, 38,977,838.25 and 16,644,159.86 is: 22,966,205.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,248,174.09 : 38,977,838.25 = 16,644,159.86 : x
  2. Step 2: Convert to fraction form
    28,248,174.09/38,977,838.25 = 16,644,159.86/x
  3. Step 3: Cross multiply
    28,248,174.09x = 38,977,838.25 × 16,644,159.86
  4. Step 4: Simplify right side
    28,248,174.09x = 648,753,370,713,361.38
  5. Step 5: Solve for x
    x = 648,753,370,713,361.38/28,248,174.09
  6. Step 6: Final answer
    x = 22,966,205.48

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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.