Home / 47,785,865.76-71,678,801.88-19,052,179.49

Finding the Fourth Proportional to 47,785,865.76, 71,678,801.88 and 19,052,179.49

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Solution

The fourth proportional to 47,785,865.76, 71,678,801.88 and 19,052,179.49 is: 28,578,270.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,785,865.76 : 71,678,801.88 = 19,052,179.49 : x
  2. Step 2: Convert to fraction form
    47,785,865.76/71,678,801.88 = 19,052,179.49/x
  3. Step 3: Cross multiply
    47,785,865.76x = 71,678,801.88 × 19,052,179.49
  4. Step 4: Simplify right side
    47,785,865.76x = 1,365,637,399,225,106.25
  5. Step 5: Solve for x
    x = 1,365,637,399,225,106.25/47,785,865.76
  6. Step 6: Final answer
    x = 28,578,270.53

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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.