Home / 13,336,828.47-18,404,707.82-7,225,242.39

Finding the Fourth Proportional to 13,336,828.47, 18,404,707.82 and 7,225,242.39

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Solution

The fourth proportional to 13,336,828.47, 18,404,707.82 and 7,225,242.39 is: 9,970,771.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,336,828.47 : 18,404,707.82 = 7,225,242.39 : x
  2. Step 2: Convert to fraction form
    13,336,828.47/18,404,707.82 = 7,225,242.39/x
  3. Step 3: Cross multiply
    13,336,828.47x = 18,404,707.82 × 7,225,242.39
  4. Step 4: Simplify right side
    13,336,828.47x = 132,978,475,080,502.28
  5. Step 5: Solve for x
    x = 132,978,475,080,502.28/13,336,828.47
  6. Step 6: Final answer
    x = 9,970,771.94

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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.