Home / 27,153,128.75-37,472,598.72-15,392,625.05

Finding the Fourth Proportional to 27,153,128.75, 37,472,598.72 and 15,392,625.05

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Solution

The fourth proportional to 27,153,128.75, 37,472,598.72 and 15,392,625.05 is: 21,242,548.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,153,128.75 : 37,472,598.72 = 15,392,625.05 : x
  2. Step 2: Convert to fraction form
    27,153,128.75/37,472,598.72 = 15,392,625.05/x
  3. Step 3: Cross multiply
    27,153,128.75x = 37,472,598.72 × 15,392,625.05
  4. Step 4: Simplify right side
    27,153,128.75x = 576,801,661,558,706.88
  5. Step 5: Solve for x
    x = 576,801,661,558,706.88/27,153,128.75
  6. Step 6: Final answer
    x = 21,242,548.77

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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.