Home / 20,210,653.80-30,316,239.90-6,747,481.80

Finding the Fourth Proportional to 20,210,653.80, 30,316,239.90 and 6,747,481.80

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Solution

The fourth proportional to 20,210,653.80, 30,316,239.90 and 6,747,481.80 is: 10,121,309.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,210,653.80 : 30,316,239.90 = 6,747,481.80 : x
  2. Step 2: Convert to fraction form
    20,210,653.80/30,316,239.90 = 6,747,481.80/x
  3. Step 3: Cross multiply
    20,210,653.80x = 30,316,239.90 × 6,747,481.80
  4. Step 4: Simplify right side
    20,210,653.80x = 204,558,276,969,683.81
  5. Step 5: Solve for x
    x = 204,558,276,969,683.81/20,210,653.80
  6. Step 6: Final answer
    x = 10,121,309.24

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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.