Home / 20,903,315.36-31,355,288.38-7,256,895.30

Finding the Fourth Proportional to 20,903,315.36, 31,355,288.38 and 7,256,895.30

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Solution

The fourth proportional to 20,903,315.36, 31,355,288.38 and 7,256,895.30 is: 10,885,452.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,903,315.36 : 31,355,288.38 = 7,256,895.30 : x
  2. Step 2: Convert to fraction form
    20,903,315.36/31,355,288.38 = 7,256,895.30/x
  3. Step 3: Cross multiply
    20,903,315.36x = 31,355,288.38 × 7,256,895.30
  4. Step 4: Simplify right side
    20,903,315.36x = 227,542,044,965,386.62
  5. Step 5: Solve for x
    x = 227,542,044,965,386.62/20,903,315.36
  6. Step 6: Final answer
    x = 10,885,452.43

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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.