Home / 13,363,148.48-18,441,144.78-7,251,576.98

Finding the Fourth Proportional to 13,363,148.48, 18,441,144.78 and 7,251,576.98

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Solution

The fourth proportional to 13,363,148.48, 18,441,144.78 and 7,251,576.98 is: 10,007,176.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,363,148.48 : 18,441,144.78 = 7,251,576.98 : x
  2. Step 2: Convert to fraction form
    13,363,148.48/18,441,144.78 = 7,251,576.98/x
  3. Step 3: Cross multiply
    13,363,148.48x = 18,441,144.78 × 7,251,576.98
  4. Step 4: Simplify right side
    13,363,148.48x = 133,727,380,971,495.19
  5. Step 5: Solve for x
    x = 133,727,380,971,495.19/13,363,148.48
  6. Step 6: Final answer
    x = 10,007,176.17

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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.