Home / 18,980,864.62-26,193,456.26-10,278,835.36

Finding the Fourth Proportional to 18,980,864.62, 26,193,456.26 and 10,278,835.36

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Solution

The fourth proportional to 18,980,864.62, 26,193,456.26 and 10,278,835.36 is: 14,184,718.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,980,864.62 : 26,193,456.26 = 10,278,835.36 : x
  2. Step 2: Convert to fraction form
    18,980,864.62/26,193,456.26 = 10,278,835.36/x
  3. Step 3: Cross multiply
    18,980,864.62x = 26,193,456.26 × 10,278,835.36
  4. Step 4: Simplify right side
    18,980,864.62x = 269,238,224,405,901.34
  5. Step 5: Solve for x
    x = 269,238,224,405,901.34/18,980,864.62
  6. Step 6: Final answer
    x = 14,184,718.65

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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.