Home / 28,515,905.58-39,356,988.02-16,755,171.62

Finding the Fourth Proportional to 28,515,905.58, 39,356,988.02 and 16,755,171.62

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Solution

The fourth proportional to 28,515,905.58, 39,356,988.02 and 16,755,171.62 is: 23,125,097.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,515,905.58 : 39,356,988.02 = 16,755,171.62 : x
  2. Step 2: Convert to fraction form
    28,515,905.58/39,356,988.02 = 16,755,171.62/x
  3. Step 3: Cross multiply
    28,515,905.58x = 39,356,988.02 × 16,755,171.62
  4. Step 4: Simplify right side
    28,515,905.58x = 659,433,088,440,823.25
  5. Step 5: Solve for x
    x = 659,433,088,440,823.25/28,515,905.58
  6. Step 6: Final answer
    x = 23,125,097.21

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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.