Home / 19,586,313.21-27,000,625.43-13,687,633.86

Finding the Fourth Proportional to 19,586,313.21, 27,000,625.43 and 13,687,633.86

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Solution

The fourth proportional to 19,586,313.21, 27,000,625.43 and 13,687,633.86 is: 18,869,027.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,586,313.21 : 27,000,625.43 = 13,687,633.86 : x
  2. Step 2: Convert to fraction form
    19,586,313.21/27,000,625.43 = 13,687,633.86/x
  3. Step 3: Cross multiply
    19,586,313.21x = 27,000,625.43 × 13,687,633.86
  4. Step 4: Simplify right side
    19,586,313.21x = 369,574,674,876,845.06
  5. Step 5: Solve for x
    x = 369,574,674,876,845.06/19,586,313.21
  6. Step 6: Final answer
    x = 18,869,027.11

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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.