Home / 28,430,698.26-42,619,890.53-15,457,891.30

Finding the Fourth Proportional to 28,430,698.26, 42,619,890.53 and 15,457,891.30

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Solution

The fourth proportional to 28,430,698.26, 42,619,890.53 and 15,457,891.30 is: 23,172,615.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,430,698.26 : 42,619,890.53 = 15,457,891.30 : x
  2. Step 2: Convert to fraction form
    28,430,698.26/42,619,890.53 = 15,457,891.30/x
  3. Step 3: Cross multiply
    28,430,698.26x = 42,619,890.53 × 15,457,891.30
  4. Step 4: Simplify right side
    28,430,698.26x = 658,813,635,131,653.62
  5. Step 5: Solve for x
    x = 658,813,635,131,653.62/28,430,698.26
  6. Step 6: Final answer
    x = 23,172,615.36

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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.