Home / 19,121,746.76-26,387,864.43-10,419,892.46

Finding the Fourth Proportional to 19,121,746.76, 26,387,864.43 and 10,419,892.46

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Solution

The fourth proportional to 19,121,746.76, 26,387,864.43 and 10,419,892.46 is: 14,379,371.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,121,746.76 : 26,387,864.43 = 10,419,892.46 : x
  2. Step 2: Convert to fraction form
    19,121,746.76/26,387,864.43 = 10,419,892.46/x
  3. Step 3: Cross multiply
    19,121,746.76x = 26,387,864.43 × 10,419,892.46
  4. Step 4: Simplify right side
    19,121,746.76x = 274,958,709,609,659.22
  5. Step 5: Solve for x
    x = 274,958,709,609,659.22/19,121,746.76
  6. Step 6: Final answer
    x = 14,379,371.98

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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.