Home / 42,907,974.48-64,360,537.20-18,646,924.64

Finding the Fourth Proportional to 42,907,974.48, 64,360,537.20 and 18,646,924.64

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Solution

The fourth proportional to 42,907,974.48, 64,360,537.20 and 18,646,924.64 is: 27,969,767.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,907,974.48 : 64,360,537.20 = 18,646,924.64 : x
  2. Step 2: Convert to fraction form
    42,907,974.48/64,360,537.20 = 18,646,924.64/x
  3. Step 3: Cross multiply
    42,907,974.48x = 64,360,537.20 × 18,646,924.64
  4. Step 4: Simplify right side
    42,907,974.48x = 1,200,126,086,636,514
  5. Step 5: Solve for x
    x = 1,200,126,086,636,514/42,907,974.48
  6. Step 6: Final answer
    x = 27,969,767.89

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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.