Home / 21,893,696.64-30,218,097.60-12,731,624.64

Finding the Fourth Proportional to 21,893,696.64, 30,218,097.60 and 12,731,624.64

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Solution

The fourth proportional to 21,893,696.64, 30,218,097.60 and 12,731,624.64 is: 17,572,431.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,893,696.64 : 30,218,097.60 = 12,731,624.64 : x
  2. Step 2: Convert to fraction form
    21,893,696.64/30,218,097.60 = 12,731,624.64/x
  3. Step 3: Cross multiply
    21,893,696.64x = 30,218,097.60 × 12,731,624.64
  4. Step 4: Simplify right side
    21,893,696.64x = 384,725,475,978,084.88
  5. Step 5: Solve for x
    x = 384,725,475,978,084.88/21,893,696.64
  6. Step 6: Final answer
    x = 17,572,431.11

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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.