Home / 18,212,341.43-25,134,463.88-10,372,185.20

Finding the Fourth Proportional to 18,212,341.43, 25,134,463.88 and 10,372,185.20

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Solution

The fourth proportional to 18,212,341.43, 25,134,463.88 and 10,372,185.20 is: 14,314,431.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,212,341.43 : 25,134,463.88 = 10,372,185.20 : x
  2. Step 2: Convert to fraction form
    18,212,341.43/25,134,463.88 = 10,372,185.20/x
  3. Step 3: Cross multiply
    18,212,341.43x = 25,134,463.88 × 10,372,185.20
  4. Step 4: Simplify right side
    18,212,341.43x = 260,699,314,088,537.34
  5. Step 5: Solve for x
    x = 260,699,314,088,537.34/18,212,341.43
  6. Step 6: Final answer
    x = 14,314,431.52

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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.