Home / 36,934,022.76-55,387,431-12,666,458.40

Finding the Fourth Proportional to 36,934,022.76, 55,387,431 and 12,666,458.40

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Solution

The fourth proportional to 36,934,022.76, 55,387,431 and 12,666,458.40 is: 18,995,022.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,934,022.76 : 55,387,431 = 12,666,458.40 : x
  2. Step 2: Convert to fraction form
    36,934,022.76/55,387,431 = 12,666,458.40/x
  3. Step 3: Cross multiply
    36,934,022.76x = 55,387,431 × 12,666,458.40
  4. Step 4: Simplify right side
    36,934,022.76x = 701,562,590,644,370.38
  5. Step 5: Solve for x
    x = 701,562,590,644,370.38/36,934,022.76
  6. Step 6: Final answer
    x = 18,995,022.43

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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.