Home / 13,122,546.57-18,110,141.38-7,243,348.16

Finding the Fourth Proportional to 13,122,546.57, 18,110,141.38 and 7,243,348.16

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Solution

The fourth proportional to 13,122,546.57, 18,110,141.38 and 7,243,348.16 is: 9,996,387.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,122,546.57 : 18,110,141.38 = 7,243,348.16 : x
  2. Step 2: Convert to fraction form
    13,122,546.57/18,110,141.38 = 7,243,348.16/x
  3. Step 3: Cross multiply
    13,122,546.57x = 18,110,141.38 × 7,243,348.16
  4. Step 4: Simplify right side
    13,122,546.57x = 131,178,059,242,162.86
  5. Step 5: Solve for x
    x = 131,178,059,242,162.86/13,122,546.57
  6. Step 6: Final answer
    x = 9,996,387.40

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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.