Home / 15,009,792.86-20,713,532.09-8,134,274.93

Finding the Fourth Proportional to 15,009,792.86, 20,713,532.09 and 8,134,274.93

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Solution

The fourth proportional to 15,009,792.86, 20,713,532.09 and 8,134,274.93 is: 11,225,309.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,009,792.86 : 20,713,532.09 = 8,134,274.93 : x
  2. Step 2: Convert to fraction form
    15,009,792.86/20,713,532.09 = 8,134,274.93/x
  3. Step 3: Cross multiply
    15,009,792.86x = 20,713,532.09 × 8,134,274.93
  4. Step 4: Simplify right side
    15,009,792.86x = 168,489,564,647,198.47
  5. Step 5: Solve for x
    x = 168,489,564,647,198.47/15,009,792.86
  6. Step 6: Final answer
    x = 11,225,309.12

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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.