Home / 47,388,001.80-71,082,002.70-21,878,833.80

Finding the Fourth Proportional to 47,388,001.80, 71,082,002.70 and 21,878,833.80

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Solution

The fourth proportional to 47,388,001.80, 71,082,002.70 and 21,878,833.80 is: 32,818,250.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,388,001.80 : 71,082,002.70 = 21,878,833.80 : x
  2. Step 2: Convert to fraction form
    47,388,001.80/71,082,002.70 = 21,878,833.80/x
  3. Step 3: Cross multiply
    47,388,001.80x = 71,082,002.70 × 21,878,833.80
  4. Step 4: Simplify right side
    47,388,001.80x = 1,555,191,323,244,451.50
  5. Step 5: Solve for x
    x = 1,555,191,323,244,451.50/47,388,001.80
  6. Step 6: Final answer
    x = 32,818,250.70

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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.