Home / 13,077,312.30-19,616,706.36-3,979,706.58

Finding the Fourth Proportional to 13,077,312.30, 19,616,706.36 and 3,979,706.58

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Solution

The fourth proportional to 13,077,312.30, 19,616,706.36 and 3,979,706.58 is: 5,969,784.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,077,312.30 : 19,616,706.36 = 3,979,706.58 : x
  2. Step 2: Convert to fraction form
    13,077,312.30/19,616,706.36 = 3,979,706.58/x
  3. Step 3: Cross multiply
    13,077,312.30x = 19,616,706.36 × 3,979,706.58
  4. Step 4: Simplify right side
    13,077,312.30x = 78,068,735,378,819.84
  5. Step 5: Solve for x
    x = 78,068,735,378,819.84/13,077,312.30
  6. Step 6: Final answer
    x = 5,969,784.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.