Home / 10,955,559.80-15,115,956.26-7,083,421.62

Finding the Fourth Proportional to 10,955,559.80, 15,115,956.26 and 7,083,421.62

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Solution

The fourth proportional to 10,955,559.80, 15,115,956.26 and 7,083,421.62 is: 9,773,365.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,955,559.80 : 15,115,956.26 = 7,083,421.62 : x
  2. Step 2: Convert to fraction form
    10,955,559.80/15,115,956.26 = 7,083,421.62/x
  3. Step 3: Cross multiply
    10,955,559.80x = 15,115,956.26 × 7,083,421.62
  4. Step 4: Simplify right side
    10,955,559.80x = 107,072,691,379,058.34
  5. Step 5: Solve for x
    x = 107,072,691,379,058.34/10,955,559.80
  6. Step 6: Final answer
    x = 9,773,365.61

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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.