Home / 13,501,440.72-18,632,044.94-7,306,487.69

Finding the Fourth Proportional to 13,501,440.72, 18,632,044.94 and 7,306,487.69

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Solution

The fourth proportional to 13,501,440.72, 18,632,044.94 and 7,306,487.69 is: 10,082,983.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,501,440.72 : 18,632,044.94 = 7,306,487.69 : x
  2. Step 2: Convert to fraction form
    13,501,440.72/18,632,044.94 = 7,306,487.69/x
  3. Step 3: Cross multiply
    13,501,440.72x = 18,632,044.94 × 7,306,487.69
  4. Step 4: Simplify right side
    13,501,440.72x = 136,134,806,863,944.11
  5. Step 5: Solve for x
    x = 136,134,806,863,944.11/13,501,440.72
  6. Step 6: Final answer
    x = 10,082,983.71

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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.