Home / 21,972,014.20-32,891,666.10-19,317,806.20

Finding the Fourth Proportional to 21,972,014.20, 32,891,666.10 and 19,317,806.20

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Solution

The fourth proportional to 21,972,014.20, 32,891,666.10 and 19,317,806.20 is: 28,918,369.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,972,014.20 : 32,891,666.10 = 19,317,806.20 : x
  2. Step 2: Convert to fraction form
    21,972,014.20/32,891,666.10 = 19,317,806.20/x
  3. Step 3: Cross multiply
    21,972,014.20x = 32,891,666.10 × 19,317,806.20
  4. Step 4: Simplify right side
    21,972,014.20x = 635,394,831,314,909.88
  5. Step 5: Solve for x
    x = 635,394,831,314,909.88/21,972,014.20
  6. Step 6: Final answer
    x = 28,918,369.77

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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.