Home / 14,778,646.51-20,394,576.47-8,252,514.12

Finding the Fourth Proportional to 14,778,646.51, 20,394,576.47 and 8,252,514.12

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Solution

The fourth proportional to 14,778,646.51, 20,394,576.47 and 8,252,514.12 is: 11,388,494.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,778,646.51 : 20,394,576.47 = 8,252,514.12 : x
  2. Step 2: Convert to fraction form
    14,778,646.51/20,394,576.47 = 8,252,514.12/x
  3. Step 3: Cross multiply
    14,778,646.51x = 20,394,576.47 × 8,252,514.12
  4. Step 4: Simplify right side
    14,778,646.51x = 168,306,530,363,991.38
  5. Step 5: Solve for x
    x = 168,306,530,363,991.38/14,778,646.51
  6. Step 6: Final answer
    x = 11,388,494.22

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1.5x scale

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.