Home / 13,589,243.13-18,746,009.16-8,078,698.72

Finding the Fourth Proportional to 13,589,243.13, 18,746,009.16 and 8,078,698.72

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Solution

The fourth proportional to 13,589,243.13, 18,746,009.16 and 8,078,698.72 is: 11,144,355.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,589,243.13 : 18,746,009.16 = 8,078,698.72 : x
  2. Step 2: Convert to fraction form
    13,589,243.13/18,746,009.16 = 8,078,698.72/x
  3. Step 3: Cross multiply
    13,589,243.13x = 18,746,009.16 × 8,078,698.72
  4. Step 4: Simplify right side
    13,589,243.13x = 151,443,360,244,580.34
  5. Step 5: Solve for x
    x = 151,443,360,244,580.34/13,589,243.13
  6. Step 6: Final answer
    x = 11,144,355.78

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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.