Home / 13,026,005.27-17,978,039.06-7,226,655.36

Finding the Fourth Proportional to 13,026,005.27, 17,978,039.06 and 7,226,655.36

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Solution

The fourth proportional to 13,026,005.27, 17,978,039.06 and 7,226,655.36 is: 9,973,978.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,026,005.27 : 17,978,039.06 = 7,226,655.36 : x
  2. Step 2: Convert to fraction form
    13,026,005.27/17,978,039.06 = 7,226,655.36/x
  3. Step 3: Cross multiply
    13,026,005.27x = 17,978,039.06 × 7,226,655.36
  4. Step 4: Simplify right side
    13,026,005.27x = 129,921,092,299,105.09
  5. Step 5: Solve for x
    x = 129,921,092,299,105.09/13,026,005.27
  6. Step 6: Final answer
    x = 9,973,978.18

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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.