Home / 7,415,512.60-11,127,416.10-3,154,955.80

Finding the Fourth Proportional to 7,415,512.60, 11,127,416.10 and 3,154,955.80

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Solution

The fourth proportional to 7,415,512.60, 11,127,416.10 and 3,154,955.80 is: 4,734,198.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,415,512.60 : 11,127,416.10 = 3,154,955.80 : x
  2. Step 2: Convert to fraction form
    7,415,512.60/11,127,416.10 = 3,154,955.80/x
  3. Step 3: Cross multiply
    7,415,512.60x = 11,127,416.10 × 3,154,955.80
  4. Step 4: Simplify right side
    7,415,512.60x = 35,106,505,963,708.38
  5. Step 5: Solve for x
    x = 35,106,505,963,708.38/7,415,512.60
  6. Step 6: Final answer
    x = 4,734,198.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.