Home / 13,010,005.96-17,953,790.34-7,209,163.24

Finding the Fourth Proportional to 13,010,005.96, 17,953,790.34 and 7,209,163.24

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Solution

The fourth proportional to 13,010,005.96, 17,953,790.34 and 7,209,163.24 is: 9,948,635.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,010,005.96 : 17,953,790.34 = 7,209,163.24 : x
  2. Step 2: Convert to fraction form
    13,010,005.96/17,953,790.34 = 7,209,163.24/x
  3. Step 3: Cross multiply
    13,010,005.96x = 17,953,790.34 × 7,209,163.24
  4. Step 4: Simplify right side
    13,010,005.96x = 129,431,805,337,795.11
  5. Step 5: Solve for x
    x = 129,431,805,337,795.11/13,010,005.96
  6. Step 6: Final answer
    x = 9,948,635.36

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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.