Home / 47,941,855.78-71,904,910.47-20,640,798.49

Finding the Fourth Proportional to 47,941,855.78, 71,904,910.47 and 20,640,798.49

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Solution

The fourth proportional to 47,941,855.78, 71,904,910.47 and 20,640,798.49 is: 30,957,808.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,941,855.78 : 71,904,910.47 = 20,640,798.49 : x
  2. Step 2: Convert to fraction form
    47,941,855.78/71,904,910.47 = 20,640,798.49/x
  3. Step 3: Cross multiply
    47,941,855.78x = 71,904,910.47 × 20,640,798.49
  4. Step 4: Simplify right side
    47,941,855.78x = 1,484,174,767,169,795
  5. Step 5: Solve for x
    x = 1,484,174,767,169,795/47,941,855.78
  6. Step 6: Final answer
    x = 30,957,808.02

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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.