Home / 18,589,511.80-27,884,267.70-13,487,678.20

Finding the Fourth Proportional to 18,589,511.80, 27,884,267.70 and 13,487,678.20

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Solution

The fourth proportional to 18,589,511.80, 27,884,267.70 and 13,487,678.20 is: 20,231,517.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,589,511.80 : 27,884,267.70 = 13,487,678.20 : x
  2. Step 2: Convert to fraction form
    18,589,511.80/27,884,267.70 = 13,487,678.20/x
  3. Step 3: Cross multiply
    18,589,511.80x = 27,884,267.70 × 13,487,678.20
  4. Step 4: Simplify right side
    18,589,511.80x = 376,094,029,580,254.12
  5. Step 5: Solve for x
    x = 376,094,029,580,254.12/18,589,511.80
  6. Step 6: Final answer
    x = 20,231,517.30

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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.