Home / 21,684,127.22-29,923,813.22-12,391,591.55

Finding the Fourth Proportional to 21,684,127.22, 29,923,813.22 and 12,391,591.55

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Solution

The fourth proportional to 21,684,127.22, 29,923,813.22 and 12,391,591.55 is: 17,100,235.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,684,127.22 : 29,923,813.22 = 12,391,591.55 : x
  2. Step 2: Convert to fraction form
    21,684,127.22/29,923,813.22 = 12,391,591.55/x
  3. Step 3: Cross multiply
    21,684,127.22x = 29,923,813.22 × 12,391,591.55
  4. Step 4: Simplify right side
    21,684,127.22x = 370,803,671,053,581.88
  5. Step 5: Solve for x
    x = 370,803,671,053,581.88/21,684,127.22
  6. Step 6: Final answer
    x = 17,100,235.00

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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.