Home / 18,345,071.87-27,520,929.30-9,224,215.70

Finding the Fourth Proportional to 18,345,071.87, 27,520,929.30 and 9,224,215.70

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Solution

The fourth proportional to 18,345,071.87, 27,520,929.30 and 9,224,215.70 is: 13,837,993.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,345,071.87 : 27,520,929.30 = 9,224,215.70 : x
  2. Step 2: Convert to fraction form
    18,345,071.87/27,520,929.30 = 9,224,215.70/x
  3. Step 3: Cross multiply
    18,345,071.87x = 27,520,929.30 × 9,224,215.70
  4. Step 4: Simplify right side
    18,345,071.87x = 253,858,988,127,650
  5. Step 5: Solve for x
    x = 253,858,988,127,650/18,345,071.87
  6. Step 6: Final answer
    x = 13,837,993.66

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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.