Home / 30,027,181.24-45,024,569.08-13,623,512.72

Finding the Fourth Proportional to 30,027,181.24, 45,024,569.08 and 13,623,512.72

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Solution

The fourth proportional to 30,027,181.24, 45,024,569.08 and 13,623,512.72 is: 20,427,917.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,027,181.24 : 45,024,569.08 = 13,623,512.72 : x
  2. Step 2: Convert to fraction form
    30,027,181.24/45,024,569.08 = 13,623,512.72/x
  3. Step 3: Cross multiply
    30,027,181.24x = 45,024,569.08 × 13,623,512.72
  4. Step 4: Simplify right side
    30,027,181.24x = 613,392,789,314,717.12
  5. Step 5: Solve for x
    x = 613,392,789,314,717.12/30,027,181.24
  6. Step 6: Final answer
    x = 20,427,917.77

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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.