Home / 15,153,679.26-20,911,762.26-8,538,608.40

Finding the Fourth Proportional to 15,153,679.26, 20,911,762.26 and 8,538,608.40

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Solution

The fourth proportional to 15,153,679.26, 20,911,762.26 and 8,538,608.40 is: 11,783,102.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,153,679.26 : 20,911,762.26 = 8,538,608.40 : x
  2. Step 2: Convert to fraction form
    15,153,679.26/20,911,762.26 = 8,538,608.40/x
  3. Step 3: Cross multiply
    15,153,679.26x = 20,911,762.26 × 8,538,608.40
  4. Step 4: Simplify right side
    15,153,679.26x = 178,557,348,892,039
  5. Step 5: Solve for x
    x = 178,557,348,892,039/15,153,679.26
  6. Step 6: Final answer
    x = 11,783,102.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.