Home / 13,411,888.74-20,118,021.77-3,827,268.29

Finding the Fourth Proportional to 13,411,888.74, 20,118,021.77 and 3,827,268.29

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Solution

The fourth proportional to 13,411,888.74, 20,118,021.77 and 3,827,268.29 is: 5,740,956.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,411,888.74 : 20,118,021.77 = 3,827,268.29 : x
  2. Step 2: Convert to fraction form
    13,411,888.74/20,118,021.77 = 3,827,268.29/x
  3. Step 3: Cross multiply
    13,411,888.74x = 20,118,021.77 × 3,827,268.29
  4. Step 4: Simplify right side
    13,411,888.74x = 76,997,066,837,713.91
  5. Step 5: Solve for x
    x = 76,997,066,837,713.91/13,411,888.74
  6. Step 6: Final answer
    x = 5,740,956.28

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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.