Home / 20,553,349.49-30,836,907.12-6,720,946.14

Finding the Fourth Proportional to 20,553,349.49, 30,836,907.12 and 6,720,946.14

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Solution

The fourth proportional to 20,553,349.49, 30,836,907.12 and 6,720,946.14 is: 10,083,669.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,553,349.49 : 30,836,907.12 = 6,720,946.14 : x
  2. Step 2: Convert to fraction form
    20,553,349.49/30,836,907.12 = 6,720,946.14/x
  3. Step 3: Cross multiply
    20,553,349.49x = 30,836,907.12 × 6,720,946.14
  4. Step 4: Simplify right side
    20,553,349.49x = 207,253,192,018,544.47
  5. Step 5: Solve for x
    x = 207,253,192,018,544.47/20,553,349.49
  6. Step 6: Final answer
    x = 10,083,669.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.