Home / 30,285,072.30-45,427,608.45-18,191,837.10

Finding the Fourth Proportional to 30,285,072.30, 45,427,608.45 and 18,191,837.10

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Solution

The fourth proportional to 30,285,072.30, 45,427,608.45 and 18,191,837.10 is: 27,287,755.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,285,072.30 : 45,427,608.45 = 18,191,837.10 : x
  2. Step 2: Convert to fraction form
    30,285,072.30/45,427,608.45 = 18,191,837.10/x
  3. Step 3: Cross multiply
    30,285,072.30x = 45,427,608.45 × 18,191,837.10
  4. Step 4: Simplify right side
    30,285,072.30x = 826,411,652,764,983.62
  5. Step 5: Solve for x
    x = 826,411,652,764,983.62/30,285,072.30
  6. Step 6: Final answer
    x = 27,287,755.65

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1.5x scale

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.