Home / 15,343,838.29-21,174,196.39-8,374,565.89

Finding the Fourth Proportional to 15,343,838.29, 21,174,196.39 and 8,374,565.89

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Solution

The fourth proportional to 15,343,838.29, 21,174,196.39 and 8,374,565.89 is: 11,556,736.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,343,838.29 : 21,174,196.39 = 8,374,565.89 : x
  2. Step 2: Convert to fraction form
    15,343,838.29/21,174,196.39 = 8,374,565.89/x
  3. Step 3: Cross multiply
    15,343,838.29x = 21,174,196.39 × 8,374,565.89
  4. Step 4: Simplify right side
    15,343,838.29x = 177,324,702,835,855.12
  5. Step 5: Solve for x
    x = 177,324,702,835,855.12/15,343,838.29
  6. Step 6: Final answer
    x = 11,556,736.94

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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.