Home / 21,933,522.71-30,269,207.04-12,143,966.59

Finding the Fourth Proportional to 21,933,522.71, 30,269,207.04 and 12,143,966.59

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Solution

The fourth proportional to 21,933,522.71, 30,269,207.04 and 12,143,966.59 is: 16,759,197.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,933,522.71 : 30,269,207.04 = 12,143,966.59 : x
  2. Step 2: Convert to fraction form
    21,933,522.71/30,269,207.04 = 12,143,966.59/x
  3. Step 3: Cross multiply
    21,933,522.71x = 30,269,207.04 × 12,143,966.59
  4. Step 4: Simplify right side
    21,933,522.71x = 367,588,238,999,552.75
  5. Step 5: Solve for x
    x = 367,588,238,999,552.75/21,933,522.71
  6. Step 6: Final answer
    x = 16,759,197.50

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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.