Home / 13,337,693.46-18,406,013.36-7,226,121.96

Finding the Fourth Proportional to 13,337,693.46, 18,406,013.36 and 7,226,121.96

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Solution

The fourth proportional to 13,337,693.46, 18,406,013.36 and 7,226,121.96 is: 9,972,046.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,337,693.46 : 18,406,013.36 = 7,226,121.96 : x
  2. Step 2: Convert to fraction form
    13,337,693.46/18,406,013.36 = 7,226,121.96/x
  3. Step 3: Cross multiply
    13,337,693.46x = 18,406,013.36 × 7,226,121.96
  4. Step 4: Simplify right side
    13,337,693.46x = 133,004,097,300,618.78
  5. Step 5: Solve for x
    x = 133,004,097,300,618.78/13,337,693.46
  6. Step 6: Final answer
    x = 9,972,046.34

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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.