Home / 8,423,859.72-11,632,012.62-5,331,837.77

Finding the Fourth Proportional to 8,423,859.72, 11,632,012.62 and 5,331,837.77

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Solution

The fourth proportional to 8,423,859.72, 11,632,012.62 and 5,331,837.77 is: 7,362,421.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,423,859.72 : 11,632,012.62 = 5,331,837.77 : x
  2. Step 2: Convert to fraction form
    8,423,859.72/11,632,012.62 = 5,331,837.77/x
  3. Step 3: Cross multiply
    8,423,859.72x = 11,632,012.62 × 5,331,837.77
  4. Step 4: Simplify right side
    8,423,859.72x = 62,020,004,225,255.97
  5. Step 5: Solve for x
    x = 62,020,004,225,255.97/8,423,859.72
  6. Step 6: Final answer
    x = 7,362,421.30

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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.