Home / 18,979,992.02-26,192,403.18-10,278,174.17

Finding the Fourth Proportional to 18,979,992.02, 26,192,403.18 and 10,278,174.17

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Solution

The fourth proportional to 18,979,992.02, 26,192,403.18 and 10,278,174.17 is: 14,183,888.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,979,992.02 : 26,192,403.18 = 10,278,174.17 : x
  2. Step 2: Convert to fraction form
    18,979,992.02/26,192,403.18 = 10,278,174.17/x
  3. Step 3: Cross multiply
    18,979,992.02x = 26,192,403.18 × 10,278,174.17
  4. Step 4: Simplify right side
    18,979,992.02x = 269,210,081,683,939.81
  5. Step 5: Solve for x
    x = 269,210,081,683,939.81/18,979,992.02
  6. Step 6: Final answer
    x = 14,183,888.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.