Home / 9,448,857.70-13,039,420.17-5,156,505.70

Finding the Fourth Proportional to 9,448,857.70, 13,039,420.17 and 5,156,505.70

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Solution

The fourth proportional to 9,448,857.70, 13,039,420.17 and 5,156,505.70 is: 7,115,975.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,448,857.70 : 13,039,420.17 = 5,156,505.70 : x
  2. Step 2: Convert to fraction form
    9,448,857.70/13,039,420.17 = 5,156,505.70/x
  3. Step 3: Cross multiply
    9,448,857.70x = 13,039,420.17 × 5,156,505.70
  4. Step 4: Simplify right side
    9,448,857.70x = 67,237,844,431,299.97
  5. Step 5: Solve for x
    x = 67,237,844,431,299.97/9,448,857.70
  6. Step 6: Final answer
    x = 7,115,975.98

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1.5x scale

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.