Home / 9,638,104.86-13,300,687.35-5,287,199.58

Finding the Fourth Proportional to 9,638,104.86, 13,300,687.35 and 5,287,199.58

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Solution

The fourth proportional to 9,638,104.86, 13,300,687.35 and 5,287,199.58 is: 7,296,391.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,638,104.86 : 13,300,687.35 = 5,287,199.58 : x
  2. Step 2: Convert to fraction form
    9,638,104.86/13,300,687.35 = 5,287,199.58/x
  3. Step 3: Cross multiply
    9,638,104.86x = 13,300,687.35 × 5,287,199.58
  4. Step 4: Simplify right side
    9,638,104.86x = 70,323,388,570,631.31
  5. Step 5: Solve for x
    x = 70,323,388,570,631.31/9,638,104.86
  6. Step 6: Final answer
    x = 7,296,391.73

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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.