Home / 18,138,242.34-27,197,915.67-6,769,341.54

Finding the Fourth Proportional to 18,138,242.34, 27,197,915.67 and 6,769,341.54

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Solution

The fourth proportional to 18,138,242.34, 27,197,915.67 and 6,769,341.54 is: 10,150,486.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,138,242.34 : 27,197,915.67 = 6,769,341.54 : x
  2. Step 2: Convert to fraction form
    18,138,242.34/27,197,915.67 = 6,769,341.54/x
  3. Step 3: Cross multiply
    18,138,242.34x = 27,197,915.67 × 6,769,341.54
  4. Step 4: Simplify right side
    18,138,242.34x = 184,111,980,346,347.94
  5. Step 5: Solve for x
    x = 184,111,980,346,347.94/18,138,242.34
  6. Step 6: Final answer
    x = 10,150,486.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.