Home / 27,161,420.48-40,741,538.88-12,776,514.96

Finding the Fourth Proportional to 27,161,420.48, 40,741,538.88 and 12,776,514.96

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Solution

The fourth proportional to 27,161,420.48, 40,741,538.88 and 12,776,514.96 is: 19,164,494.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,161,420.48 : 40,741,538.88 = 12,776,514.96 : x
  2. Step 2: Convert to fraction form
    27,161,420.48/40,741,538.88 = 12,776,514.96/x
  3. Step 3: Cross multiply
    27,161,420.48x = 40,741,538.88 × 12,776,514.96
  4. Step 4: Simplify right side
    27,161,420.48x = 520,534,880,993,741.69
  5. Step 5: Solve for x
    x = 520,534,880,993,741.69/27,161,420.48
  6. Step 6: Final answer
    x = 19,164,494.04

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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.