Home / 18,980,858.12-26,193,447.29-10,278,828.86

Finding the Fourth Proportional to 18,980,858.12, 26,193,447.29 and 10,278,828.86

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Solution

The fourth proportional to 18,980,858.12, 26,193,447.29 and 10,278,828.86 is: 14,184,709.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,980,858.12 : 26,193,447.29 = 10,278,828.86 : x
  2. Step 2: Convert to fraction form
    18,980,858.12/26,193,447.29 = 10,278,828.86/x
  3. Step 3: Cross multiply
    18,980,858.12x = 26,193,447.29 × 10,278,828.86
  4. Step 4: Simplify right side
    18,980,858.12x = 269,237,961,842,070.66
  5. Step 5: Solve for x
    x = 269,237,961,842,070.66/18,980,858.12
  6. Step 6: Final answer
    x = 14,184,709.68

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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.