Home / 21,665,177.64-29,880,512.10-19,046,081.88

Finding the Fourth Proportional to 21,665,177.64, 29,880,512.10 and 19,046,081.88

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Solution

The fourth proportional to 21,665,177.64, 29,880,512.10 and 19,046,081.88 is: 26,268,267.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,665,177.64 : 29,880,512.10 = 19,046,081.88 : x
  2. Step 2: Convert to fraction form
    21,665,177.64/29,880,512.10 = 19,046,081.88/x
  3. Step 3: Cross multiply
    21,665,177.64x = 29,880,512.10 × 19,046,081.88
  4. Step 4: Simplify right side
    21,665,177.64x = 569,106,680,072,930.75
  5. Step 5: Solve for x
    x = 569,106,680,072,930.75/21,665,177.64
  6. Step 6: Final answer
    x = 26,268,267.43

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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.