Home / 18,785,987.10-28,146,628.71-14,685,713.37

Finding the Fourth Proportional to 18,785,987.10, 28,146,628.71 and 14,685,713.37

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Solution

The fourth proportional to 18,785,987.10, 28,146,628.71 and 14,685,713.37 is: 22,003,279.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,785,987.10 : 28,146,628.71 = 14,685,713.37 : x
  2. Step 2: Convert to fraction form
    18,785,987.10/28,146,628.71 = 14,685,713.37/x
  3. Step 3: Cross multiply
    18,785,987.10x = 28,146,628.71 × 14,685,713.37
  4. Step 4: Simplify right side
    18,785,987.10x = 413,353,321,566,872.81
  5. Step 5: Solve for x
    x = 413,353,321,566,872.81/18,785,987.10
  6. Step 6: Final answer
    x = 22,003,279.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.