Home / 19,385,998.20-29,023,010.10-11,827,726.20

Finding the Fourth Proportional to 19,385,998.20, 29,023,010.10 and 11,827,726.20

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Solution

The fourth proportional to 19,385,998.20, 29,023,010.10 and 11,827,726.20 is: 17,707,430.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,385,998.20 : 29,023,010.10 = 11,827,726.20 : x
  2. Step 2: Convert to fraction form
    19,385,998.20/29,023,010.10 = 11,827,726.20/x
  3. Step 3: Cross multiply
    19,385,998.20x = 29,023,010.10 × 11,827,726.20
  4. Step 4: Simplify right side
    19,385,998.20x = 343,276,216,962,634.62
  5. Step 5: Solve for x
    x = 343,276,216,962,634.62/19,385,998.20
  6. Step 6: Final answer
    x = 17,707,430.56

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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.