Home / 13,325,157-18,388,378.21-7,444,836.45

Finding the Fourth Proportional to 13,325,157, 18,388,378.21 and 7,444,836.45

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Solution

The fourth proportional to 13,325,157, 18,388,378.21 and 7,444,836.45 is: 10,273,685.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,325,157 : 18,388,378.21 = 7,444,836.45 : x
  2. Step 2: Convert to fraction form
    13,325,157/18,388,378.21 = 7,444,836.45/x
  3. Step 3: Cross multiply
    13,325,157x = 18,388,378.21 × 7,444,836.45
  4. Step 4: Simplify right side
    13,325,157x = 136,898,468,354,193.77
  5. Step 5: Solve for x
    x = 136,898,468,354,193.77/13,325,157
  6. Step 6: Final answer
    x = 10,273,685.21

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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.