Home / 13,147,477.47-18,155,152.58-8,194,372.04

Finding the Fourth Proportional to 13,147,477.47, 18,155,152.58 and 8,194,372.04

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Solution

The fourth proportional to 13,147,477.47, 18,155,152.58 and 8,194,372.04 is: 11,315,484.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,147,477.47 : 18,155,152.58 = 8,194,372.04 : x
  2. Step 2: Convert to fraction form
    13,147,477.47/18,155,152.58 = 8,194,372.04/x
  3. Step 3: Cross multiply
    13,147,477.47x = 18,155,152.58 × 8,194,372.04
  4. Step 4: Simplify right side
    13,147,477.47x = 148,770,074,687,901.88
  5. Step 5: Solve for x
    x = 148,770,074,687,901.88/13,147,477.47
  6. Step 6: Final answer
    x = 11,315,484.28

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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.