Home / 13,818,568.83-19,069,518.48-7,623,876.65

Finding the Fourth Proportional to 13,818,568.83, 19,069,518.48 and 7,623,876.65

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Solution

The fourth proportional to 13,818,568.83, 19,069,518.48 and 7,623,876.65 is: 10,520,891.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,818,568.83 : 19,069,518.48 = 7,623,876.65 : x
  2. Step 2: Convert to fraction form
    13,818,568.83/19,069,518.48 = 7,623,876.65/x
  3. Step 3: Cross multiply
    13,818,568.83x = 19,069,518.48 × 7,623,876.65
  4. Step 4: Simplify right side
    13,818,568.83x = 145,383,656,571,067.91
  5. Step 5: Solve for x
    x = 145,383,656,571,067.91/13,818,568.83
  6. Step 6: Final answer
    x = 10,520,891.01

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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.