Home / 19,725,605.07-29,591,646.09-6,078,753.78

Finding the Fourth Proportional to 19,725,605.07, 29,591,646.09 and 6,078,753.78

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Solution

The fourth proportional to 19,725,605.07, 29,591,646.09 and 6,078,753.78 is: 9,119,128.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,725,605.07 : 29,591,646.09 = 6,078,753.78 : x
  2. Step 2: Convert to fraction form
    19,725,605.07/29,591,646.09 = 6,078,753.78/x
  3. Step 3: Cross multiply
    19,725,605.07x = 29,591,646.09 × 6,078,753.78
  4. Step 4: Simplify right side
    19,725,605.07x = 179,880,330,526,009.72
  5. Step 5: Solve for x
    x = 179,880,330,526,009.72/19,725,605.07
  6. Step 6: Final answer
    x = 9,119,128.66

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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.