Home / 14,625,212.64-20,182,760.71-8,430,218.29

Finding the Fourth Proportional to 14,625,212.64, 20,182,760.71 and 8,430,218.29

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Solution

The fourth proportional to 14,625,212.64, 20,182,760.71 and 8,430,218.29 is: 11,633,682.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,625,212.64 : 20,182,760.71 = 8,430,218.29 : x
  2. Step 2: Convert to fraction form
    14,625,212.64/20,182,760.71 = 8,430,218.29/x
  3. Step 3: Cross multiply
    14,625,212.64x = 20,182,760.71 × 8,430,218.29
  4. Step 4: Simplify right side
    14,625,212.64x = 170,145,078,480,135.38
  5. Step 5: Solve for x
    x = 170,145,078,480,135.38/14,625,212.64
  6. Step 6: Final answer
    x = 11,633,682.37

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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.