Home / 17,387,738.40-26,081,607.60-10,921,216.80

Finding the Fourth Proportional to 17,387,738.40, 26,081,607.60 and 10,921,216.80

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Solution

The fourth proportional to 17,387,738.40, 26,081,607.60 and 10,921,216.80 is: 16,381,825.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,387,738.40 : 26,081,607.60 = 10,921,216.80 : x
  2. Step 2: Convert to fraction form
    17,387,738.40/26,081,607.60 = 10,921,216.80/x
  3. Step 3: Cross multiply
    17,387,738.40x = 26,081,607.60 × 10,921,216.80
  4. Step 4: Simplify right side
    17,387,738.40x = 284,842,891,092,127.69
  5. Step 5: Solve for x
    x = 284,842,891,092,127.69/17,387,738.40
  6. Step 6: Final answer
    x = 16,381,825.20

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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.