Home / 28,166,733.45-42,195,279.38-20,767,303.26

Finding the Fourth Proportional to 28,166,733.45, 42,195,279.38 and 20,767,303.26

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Solution

The fourth proportional to 28,166,733.45, 42,195,279.38 and 20,767,303.26 is: 31,110,535.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,166,733.45 : 42,195,279.38 = 20,767,303.26 : x
  2. Step 2: Convert to fraction form
    28,166,733.45/42,195,279.38 = 20,767,303.26/x
  3. Step 3: Cross multiply
    28,166,733.45x = 42,195,279.38 × 20,767,303.26
  4. Step 4: Simplify right side
    28,166,733.45x = 876,282,162,921,048.38
  5. Step 5: Solve for x
    x = 876,282,162,921,048.38/28,166,733.45
  6. Step 6: Final answer
    x = 31,110,535.57

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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.