Home / 28,161,818.94-38,858,871.03-16,403,022.54

Finding the Fourth Proportional to 28,161,818.94, 38,858,871.03 and 16,403,022.54

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Solution

The fourth proportional to 28,161,818.94, 38,858,871.03 and 16,403,022.54 is: 22,633,585.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,161,818.94 : 38,858,871.03 = 16,403,022.54 : x
  2. Step 2: Convert to fraction form
    28,161,818.94/38,858,871.03 = 16,403,022.54/x
  3. Step 3: Cross multiply
    28,161,818.94x = 38,858,871.03 × 16,403,022.54
  4. Step 4: Simplify right side
    28,161,818.94x = 637,402,937,384,043
  5. Step 5: Solve for x
    x = 637,402,937,384,043/28,161,818.94
  6. Step 6: Final answer
    x = 22,633,585.52

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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.