Home / 12,172,287-16,798,281.84-6,739,779

Finding the Fourth Proportional to 12,172,287, 16,798,281.84 and 6,739,779

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Solution

The fourth proportional to 12,172,287, 16,798,281.84 and 6,739,779 is: 9,301,186.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,172,287 : 16,798,281.84 = 6,739,779 : x
  2. Step 2: Convert to fraction form
    12,172,287/16,798,281.84 = 6,739,779/x
  3. Step 3: Cross multiply
    12,172,287x = 16,798,281.84 × 6,739,779
  4. Step 4: Simplify right side
    12,172,287x = 113,216,707,181,313.36
  5. Step 5: Solve for x
    x = 113,216,707,181,313.36/12,172,287
  6. Step 6: Final answer
    x = 9,301,186.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.