Home / 18,102,789.36-27,136,247.40-8,500,980.24

Finding the Fourth Proportional to 18,102,789.36, 27,136,247.40 and 8,500,980.24

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Solution

The fourth proportional to 18,102,789.36, 27,136,247.40 and 8,500,980.24 is: 12,743,047.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,102,789.36 : 27,136,247.40 = 8,500,980.24 : x
  2. Step 2: Convert to fraction form
    18,102,789.36/27,136,247.40 = 8,500,980.24/x
  3. Step 3: Cross multiply
    18,102,789.36x = 27,136,247.40 × 8,500,980.24
  4. Step 4: Simplify right side
    18,102,789.36x = 230,684,702,935,151.38
  5. Step 5: Solve for x
    x = 230,684,702,935,151.38/18,102,789.36
  6. Step 6: Final answer
    x = 12,743,047.40

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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.