Home / 47,338,712.70-71,008,069.05-38,828,658.30

Finding the Fourth Proportional to 47,338,712.70, 71,008,069.05 and 38,828,658.30

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Solution

The fourth proportional to 47,338,712.70, 71,008,069.05 and 38,828,658.30 is: 58,242,987.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,338,712.70 : 71,008,069.05 = 38,828,658.30 : x
  2. Step 2: Convert to fraction form
    47,338,712.70/71,008,069.05 = 38,828,658.30/x
  3. Step 3: Cross multiply
    47,338,712.70x = 71,008,069.05 × 38,828,658.30
  4. Step 4: Simplify right side
    47,338,712.70x = 2,757,148,049,685,255.50
  5. Step 5: Solve for x
    x = 2,757,148,049,685,255.50/47,338,712.70
  6. Step 6: Final answer
    x = 58,242,987.45

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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.