Home / 20,545,272.27-28,351,464.26-11,252,883.56

Finding the Fourth Proportional to 20,545,272.27, 28,351,464.26 and 11,252,883.56

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Solution

The fourth proportional to 20,545,272.27, 28,351,464.26 and 11,252,883.56 is: 15,528,425.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,545,272.27 : 28,351,464.26 = 11,252,883.56 : x
  2. Step 2: Convert to fraction form
    20,545,272.27/28,351,464.26 = 11,252,883.56/x
  3. Step 3: Cross multiply
    20,545,272.27x = 28,351,464.26 × 11,252,883.56
  4. Step 4: Simplify right side
    20,545,272.27x = 319,035,725,875,259.81
  5. Step 5: Solve for x
    x = 319,035,725,875,259.81/20,545,272.27
  6. Step 6: Final answer
    x = 15,528,425.31

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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.