Home / 14,372,447.43-21,543,318.41-7,169,781.63

Finding the Fourth Proportional to 14,372,447.43, 21,543,318.41 and 7,169,781.63

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Solution

The fourth proportional to 14,372,447.43, 21,543,318.41 and 7,169,781.63 is: 10,747,013.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,372,447.43 : 21,543,318.41 = 7,169,781.63 : x
  2. Step 2: Convert to fraction form
    14,372,447.43/21,543,318.41 = 7,169,781.63/x
  3. Step 3: Cross multiply
    14,372,447.43x = 21,543,318.41 × 7,169,781.63
  4. Step 4: Simplify right side
    14,372,447.43x = 154,460,888,549,409.91
  5. Step 5: Solve for x
    x = 154,460,888,549,409.91/14,372,447.43
  6. Step 6: Final answer
    x = 10,747,013.64

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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.