Home / 21,943,418.13-30,280,585.68-12,153,276.18

Finding the Fourth Proportional to 21,943,418.13, 30,280,585.68 and 12,153,276.18

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Solution

The fourth proportional to 21,943,418.13, 30,280,585.68 and 12,153,276.18 is: 16,770,783.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,943,418.13 : 30,280,585.68 = 12,153,276.18 : x
  2. Step 2: Convert to fraction form
    21,943,418.13/30,280,585.68 = 12,153,276.18/x
  3. Step 3: Cross multiply
    21,943,418.13x = 30,280,585.68 × 12,153,276.18
  4. Step 4: Simplify right side
    21,943,418.13x = 368,008,320,661,193.06
  5. Step 5: Solve for x
    x = 368,008,320,661,193.06/21,943,418.13
  6. Step 6: Final answer
    x = 16,770,783.77

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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.