Home / 13,725,392.78-18,925,510.34-8,757,184.88

Finding the Fourth Proportional to 13,725,392.78, 18,925,510.34 and 8,757,184.88

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Solution

The fourth proportional to 13,725,392.78, 18,925,510.34 and 8,757,184.88 is: 12,075,005.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,725,392.78 : 18,925,510.34 = 8,757,184.88 : x
  2. Step 2: Convert to fraction form
    13,725,392.78/18,925,510.34 = 8,757,184.88/x
  3. Step 3: Cross multiply
    13,725,392.78x = 18,925,510.34 × 8,757,184.88
  4. Step 4: Simplify right side
    13,725,392.78x = 165,734,192,995,731.69
  5. Step 5: Solve for x
    x = 165,734,192,995,731.69/13,725,392.78
  6. Step 6: Final answer
    x = 12,075,005.48

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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.