Home / 21,418,011.99-32,055,971.67-19,503,347.76

Finding the Fourth Proportional to 21,418,011.99, 32,055,971.67 and 19,503,347.76

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Solution

The fourth proportional to 21,418,011.99, 32,055,971.67 and 19,503,347.76 is: 29,190,326.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,418,011.99 : 32,055,971.67 = 19,503,347.76 : x
  2. Step 2: Convert to fraction form
    21,418,011.99/32,055,971.67 = 19,503,347.76/x
  3. Step 3: Cross multiply
    21,418,011.99x = 32,055,971.67 × 19,503,347.76
  4. Step 4: Simplify right side
    21,418,011.99x = 625,198,763,264,718
  5. Step 5: Solve for x
    x = 625,198,763,264,718/21,418,011.99
  6. Step 6: Final answer
    x = 29,190,326.51

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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.