Home / 13,333,732.89-18,400,487.61-7,453,365.86

Finding the Fourth Proportional to 13,333,732.89, 18,400,487.61 and 7,453,365.86

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Solution

The fourth proportional to 13,333,732.89, 18,400,487.61 and 7,453,365.86 is: 10,285,609.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,333,732.89 : 18,400,487.61 = 7,453,365.86 : x
  2. Step 2: Convert to fraction form
    13,333,732.89/18,400,487.61 = 7,453,365.86/x
  3. Step 3: Cross multiply
    13,333,732.89x = 18,400,487.61 × 7,453,365.86
  4. Step 4: Simplify right side
    13,333,732.89x = 137,145,566,233,678.33
  5. Step 5: Solve for x
    x = 137,145,566,233,678.33/13,333,732.89
  6. Step 6: Final answer
    x = 10,285,609.24

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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.