Home / 20,997,239.58-31,495,859.37-6,621,760.53

Finding the Fourth Proportional to 20,997,239.58, 31,495,859.37 and 6,621,760.53

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Solution

The fourth proportional to 20,997,239.58, 31,495,859.37 and 6,621,760.53 is: 9,932,640.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,997,239.58 : 31,495,859.37 = 6,621,760.53 : x
  2. Step 2: Convert to fraction form
    20,997,239.58/31,495,859.37 = 6,621,760.53/x
  3. Step 3: Cross multiply
    20,997,239.58x = 31,495,859.37 × 6,621,760.53
  4. Step 4: Simplify right side
    20,997,239.58x = 208,558,038,434,696.69
  5. Step 5: Solve for x
    x = 208,558,038,434,696.69/20,997,239.58
  6. Step 6: Final answer
    x = 9,932,640.80

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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.