Home / 15,289,578.63-21,094,868.34-8,673,076.62

Finding the Fourth Proportional to 15,289,578.63, 21,094,868.34 and 8,673,076.62

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Solution

The fourth proportional to 15,289,578.63, 21,094,868.34 and 8,673,076.62 is: 11,966,151.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,289,578.63 : 21,094,868.34 = 8,673,076.62 : x
  2. Step 2: Convert to fraction form
    15,289,578.63/21,094,868.34 = 8,673,076.62/x
  3. Step 3: Cross multiply
    15,289,578.63x = 21,094,868.34 × 8,673,076.62
  4. Step 4: Simplify right side
    15,289,578.63x = 182,957,409,401,632.19
  5. Step 5: Solve for x
    x = 182,957,409,401,632.19/15,289,578.63
  6. Step 6: Final answer
    x = 11,966,151.18

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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.