Home / 19,725,039.30-29,587,558.95-13,640,630.34

Finding the Fourth Proportional to 19,725,039.30, 29,587,558.95 and 13,640,630.34

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Solution

The fourth proportional to 19,725,039.30, 29,587,558.95 and 13,640,630.34 is: 20,460,945.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,725,039.30 : 29,587,558.95 = 13,640,630.34 : x
  2. Step 2: Convert to fraction form
    19,725,039.30/29,587,558.95 = 13,640,630.34/x
  3. Step 3: Cross multiply
    19,725,039.30x = 29,587,558.95 × 13,640,630.34
  4. Step 4: Simplify right side
    19,725,039.30x = 403,592,954,299,908.50
  5. Step 5: Solve for x
    x = 403,592,954,299,908.50/19,725,039.30
  6. Step 6: Final answer
    x = 20,460,945.51

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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.