Home / 7,136,715.50-9,848,678.21-3,873,531.43

Finding the Fourth Proportional to 7,136,715.50, 9,848,678.21 and 3,873,531.43

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Solution

The fourth proportional to 7,136,715.50, 9,848,678.21 and 3,873,531.43 is: 5,345,479.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,136,715.50 : 9,848,678.21 = 3,873,531.43 : x
  2. Step 2: Convert to fraction form
    7,136,715.50/9,848,678.21 = 3,873,531.43/x
  3. Step 3: Cross multiply
    7,136,715.50x = 9,848,678.21 × 3,873,531.43
  4. Step 4: Simplify right side
    7,136,715.50x = 38,149,164,590,391.15
  5. Step 5: Solve for x
    x = 38,149,164,590,391.15/7,136,715.50
  6. Step 6: Final answer
    x = 5,345,479.25

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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.