Home / 13,725,394.03-18,925,512.06-8,757,186.13

Finding the Fourth Proportional to 13,725,394.03, 18,925,512.06 and 8,757,186.13

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Solution

The fourth proportional to 13,725,394.03, 18,925,512.06 and 8,757,186.13 is: 12,075,007.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,725,394.03 : 18,925,512.06 = 8,757,186.13 : x
  2. Step 2: Convert to fraction form
    13,725,394.03/18,925,512.06 = 8,757,186.13/x
  3. Step 3: Cross multiply
    13,725,394.03x = 18,925,512.06 × 8,757,186.13
  4. Step 4: Simplify right side
    13,725,394.03x = 165,734,231,714,979.72
  5. Step 5: Solve for x
    x = 165,734,231,714,979.72/13,725,394.03
  6. Step 6: Final answer
    x = 12,075,007.20

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1.5x scale

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.