Home / 9,306,172.86-12,842,334.36-5,176,115.16

Finding the Fourth Proportional to 9,306,172.86, 12,842,334.36 and 5,176,115.16

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Solution

The fourth proportional to 9,306,172.86, 12,842,334.36 and 5,176,115.16 is: 7,142,936.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,306,172.86 : 12,842,334.36 = 5,176,115.16 : x
  2. Step 2: Convert to fraction form
    9,306,172.86/12,842,334.36 = 5,176,115.16/x
  3. Step 3: Cross multiply
    9,306,172.86x = 12,842,334.36 × 5,176,115.16
  4. Step 4: Simplify right side
    9,306,172.86x = 66,473,401,570,584.90
  5. Step 5: Solve for x
    x = 66,473,401,570,584.90/9,306,172.86
  6. Step 6: Final answer
    x = 7,142,936.48

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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.