Home / 13,538,341.42-18,682,802.58-7,343,372.32

Finding the Fourth Proportional to 13,538,341.42, 18,682,802.58 and 7,343,372.32

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Solution

The fourth proportional to 13,538,341.42, 18,682,802.58 and 7,343,372.32 is: 10,133,794.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,538,341.42 : 18,682,802.58 = 7,343,372.32 : x
  2. Step 2: Convert to fraction form
    13,538,341.42/18,682,802.58 = 7,343,372.32/x
  3. Step 3: Cross multiply
    13,538,341.42x = 18,682,802.58 × 7,343,372.32
  4. Step 4: Simplify right side
    13,538,341.42x = 137,194,775,325,996.58
  5. Step 5: Solve for x
    x = 137,194,775,325,996.58/13,538,341.42
  6. Step 6: Final answer
    x = 10,133,794.91

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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.