Home / 13,501,837.91-18,632,391.02-7,306,747.61

Finding the Fourth Proportional to 13,501,837.91, 18,632,391.02 and 7,306,747.61

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Solution

The fourth proportional to 13,501,837.91, 18,632,391.02 and 7,306,747.61 is: 10,083,233.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,501,837.91 : 18,632,391.02 = 7,306,747.61 : x
  2. Step 2: Convert to fraction form
    13,501,837.91/18,632,391.02 = 7,306,747.61/x
  3. Step 3: Cross multiply
    13,501,837.91x = 18,632,391.02 × 7,306,747.61
  4. Step 4: Simplify right side
    13,501,837.91x = 136,142,178,556,482.27
  5. Step 5: Solve for x
    x = 136,142,178,556,482.27/13,501,837.91
  6. Step 6: Final answer
    x = 10,083,233.08

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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.