Home / 21,743,280.72-30,004,962.56-11,953,654

Finding the Fourth Proportional to 21,743,280.72, 30,004,962.56 and 11,953,654

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Solution

The fourth proportional to 21,743,280.72, 30,004,962.56 and 11,953,654 is: 16,495,622.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,743,280.72 : 30,004,962.56 = 11,953,654 : x
  2. Step 2: Convert to fraction form
    21,743,280.72/30,004,962.56 = 11,953,654/x
  3. Step 3: Cross multiply
    21,743,280.72x = 30,004,962.56 × 11,953,654
  4. Step 4: Simplify right side
    21,743,280.72x = 358,668,940,725,194.25
  5. Step 5: Solve for x
    x = 358,668,940,725,194.25/21,743,280.72
  6. Step 6: Final answer
    x = 16,495,622.04

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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.