Home / 13,658,375.81-18,848,330.95-7,463,286.43

Finding the Fourth Proportional to 13,658,375.81, 18,848,330.95 and 7,463,286.43

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Solution

The fourth proportional to 13,658,375.81, 18,848,330.95 and 7,463,286.43 is: 10,299,210.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,658,375.81 : 18,848,330.95 = 7,463,286.43 : x
  2. Step 2: Convert to fraction form
    13,658,375.81/18,848,330.95 = 7,463,286.43/x
  3. Step 3: Cross multiply
    13,658,375.81x = 18,848,330.95 × 7,463,286.43
  4. Step 4: Simplify right side
    13,658,375.81x = 140,670,492,513,042.34
  5. Step 5: Solve for x
    x = 140,670,492,513,042.34/13,658,375.81
  6. Step 6: Final answer
    x = 10,299,210.86

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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.