Home / 14,570,062.74-20,109,318.48-8,690,073.84

Finding the Fourth Proportional to 14,570,062.74, 20,109,318.48 and 8,690,073.84

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Solution

The fourth proportional to 14,570,062.74, 20,109,318.48 and 8,690,073.84 is: 11,993,871.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,570,062.74 : 20,109,318.48 = 8,690,073.84 : x
  2. Step 2: Convert to fraction form
    14,570,062.74/20,109,318.48 = 8,690,073.84/x
  3. Step 3: Cross multiply
    14,570,062.74x = 20,109,318.48 × 8,690,073.84
  4. Step 4: Simplify right side
    14,570,062.74x = 174,751,462,463,276.56
  5. Step 5: Solve for x
    x = 174,751,462,463,276.56/14,570,062.74
  6. Step 6: Final answer
    x = 11,993,871.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.