Home / 20,210,858.45-30,335,314.58-10,633,110.65

Finding the Fourth Proportional to 20,210,858.45, 30,335,314.58 and 10,633,110.65

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Solution

The fourth proportional to 20,210,858.45, 30,335,314.58 and 10,633,110.65 is: 15,959,676.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,210,858.45 : 30,335,314.58 = 10,633,110.65 : x
  2. Step 2: Convert to fraction form
    20,210,858.45/30,335,314.58 = 10,633,110.65/x
  3. Step 3: Cross multiply
    20,210,858.45x = 30,335,314.58 × 10,633,110.65
  4. Step 4: Simplify right side
    20,210,858.45x = 322,558,756,478,532.75
  5. Step 5: Solve for x
    x = 322,558,756,478,532.75/20,210,858.45
  6. Step 6: Final answer
    x = 15,959,676.19

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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.