Home / 13,026,007.27-17,978,041.82-7,226,657.36

Finding the Fourth Proportional to 13,026,007.27, 17,978,041.82 and 7,226,657.36

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Solution

The fourth proportional to 13,026,007.27, 17,978,041.82 and 7,226,657.36 is: 9,973,980.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,026,007.27 : 17,978,041.82 = 7,226,657.36 : x
  2. Step 2: Convert to fraction form
    13,026,007.27/17,978,041.82 = 7,226,657.36/x
  3. Step 3: Cross multiply
    13,026,007.27x = 17,978,041.82 × 7,226,657.36
  4. Step 4: Simplify right side
    13,026,007.27x = 129,921,148,236,890.80
  5. Step 5: Solve for x
    x = 129,921,148,236,890.80/13,026,007.27
  6. Step 6: Final answer
    x = 9,973,980.94

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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.