Home / 18,735,469.95-25,847,031.48-12,542,511.93

Finding the Fourth Proportional to 18,735,469.95, 25,847,031.48 and 12,542,511.93

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Solution

The fourth proportional to 18,735,469.95, 25,847,031.48 and 12,542,511.93 is: 17,303,366.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,735,469.95 : 25,847,031.48 = 12,542,511.93 : x
  2. Step 2: Convert to fraction form
    18,735,469.95/25,847,031.48 = 12,542,511.93/x
  3. Step 3: Cross multiply
    18,735,469.95x = 25,847,031.48 × 12,542,511.93
  4. Step 4: Simplify right side
    18,735,469.95x = 324,186,700,788,756.88
  5. Step 5: Solve for x
    x = 324,186,700,788,756.88/18,735,469.95
  6. Step 6: Final answer
    x = 17,303,366.38

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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.