Home / 30,310,171.47-45,494,000.94-18,760,702.63

Finding the Fourth Proportional to 30,310,171.47, 45,494,000.94 and 18,760,702.63

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Solution

The fourth proportional to 30,310,171.47, 45,494,000.94 and 18,760,702.63 is: 28,158,845.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,310,171.47 : 45,494,000.94 = 18,760,702.63 : x
  2. Step 2: Convert to fraction form
    30,310,171.47/45,494,000.94 = 18,760,702.63/x
  3. Step 3: Cross multiply
    30,310,171.47x = 45,494,000.94 × 18,760,702.63
  4. Step 4: Simplify right side
    30,310,171.47x = 853,499,423,084,280.38
  5. Step 5: Solve for x
    x = 853,499,423,084,280.38/30,310,171.47
  6. Step 6: Final answer
    x = 28,158,845.09

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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.