Home / 28,912,515-43,354,822.32-16,785,031.38

Finding the Fourth Proportional to 28,912,515, 43,354,822.32 and 16,785,031.38

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Solution

The fourth proportional to 28,912,515, 43,354,822.32 and 16,785,031.38 is: 25,169,448.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,912,515 : 43,354,822.32 = 16,785,031.38 : x
  2. Step 2: Convert to fraction form
    28,912,515/43,354,822.32 = 16,785,031.38/x
  3. Step 3: Cross multiply
    28,912,515x = 43,354,822.32 × 16,785,031.38
  4. Step 4: Simplify right side
    28,912,515x = 727,712,053,115,524.38
  5. Step 5: Solve for x
    x = 727,712,053,115,524.38/28,912,515
  6. Step 6: Final answer
    x = 25,169,448.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.