Home / 11,326,048.45-16,990,051.29-3,128,687.80

Finding the Fourth Proportional to 11,326,048.45, 16,990,051.29 and 3,128,687.80

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Solution

The fourth proportional to 11,326,048.45, 16,990,051.29 and 3,128,687.80 is: 4,693,302.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,326,048.45 : 16,990,051.29 = 3,128,687.80 : x
  2. Step 2: Convert to fraction form
    11,326,048.45/16,990,051.29 = 3,128,687.80/x
  3. Step 3: Cross multiply
    11,326,048.45x = 16,990,051.29 × 3,128,687.80
  4. Step 4: Simplify right side
    11,326,048.45x = 53,156,566,149,922.12
  5. Step 5: Solve for x
    x = 53,156,566,149,922.12/11,326,048.45
  6. Step 6: Final answer
    x = 4,693,302.03

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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.