Home / 21,873,344.40-32,762,777.40-19,038,992.40

Finding the Fourth Proportional to 21,873,344.40, 32,762,777.40 and 19,038,992.40

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Solution

The fourth proportional to 21,873,344.40, 32,762,777.40 and 19,038,992.40 is: 28,517,370.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,873,344.40 : 32,762,777.40 = 19,038,992.40 : x
  2. Step 2: Convert to fraction form
    21,873,344.40/32,762,777.40 = 19,038,992.40/x
  3. Step 3: Cross multiply
    21,873,344.40x = 32,762,777.40 × 19,038,992.40
  4. Step 4: Simplify right side
    21,873,344.40x = 623,770,269,921,491.62
  5. Step 5: Solve for x
    x = 623,770,269,921,491.62/21,873,344.40
  6. Step 6: Final answer
    x = 28,517,370.66

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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.