Home / 19,387,345.20-29,056,134.60-11,806,263.60

Finding the Fourth Proportional to 19,387,345.20, 29,056,134.60 and 11,806,263.60

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Solution

The fourth proportional to 19,387,345.20, 29,056,134.60 and 11,806,263.60 is: 17,694,242.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,387,345.20 : 29,056,134.60 = 11,806,263.60 : x
  2. Step 2: Convert to fraction form
    19,387,345.20/29,056,134.60 = 11,806,263.60/x
  3. Step 3: Cross multiply
    19,387,345.20x = 29,056,134.60 × 11,806,263.60
  4. Step 4: Simplify right side
    19,387,345.20x = 343,044,384,284,680.56
  5. Step 5: Solve for x
    x = 343,044,384,284,680.56/19,387,345.20
  6. Step 6: Final answer
    x = 17,694,242.34

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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.