Home / 17,213,904-23,755,187.52-9,478,927.89

Finding the Fourth Proportional to 17,213,904, 23,755,187.52 and 9,478,927.89

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Solution

The fourth proportional to 17,213,904, 23,755,187.52 and 9,478,927.89 is: 13,080,920.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,213,904 : 23,755,187.52 = 9,478,927.89 : x
  2. Step 2: Convert to fraction form
    17,213,904/23,755,187.52 = 9,478,927.89/x
  3. Step 3: Cross multiply
    17,213,904x = 23,755,187.52 × 9,478,927.89
  4. Step 4: Simplify right side
    17,213,904x = 225,173,709,515,507.94
  5. Step 5: Solve for x
    x = 225,173,709,515,507.94/17,213,904
  6. Step 6: Final answer
    x = 13,080,920.49

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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.