Home / 19,683,040.80-29,524,561.20-12,085,370.40

Finding the Fourth Proportional to 19,683,040.80, 29,524,561.20 and 12,085,370.40

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Solution

The fourth proportional to 19,683,040.80, 29,524,561.20 and 12,085,370.40 is: 18,128,055.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,683,040.80 : 29,524,561.20 = 12,085,370.40 : x
  2. Step 2: Convert to fraction form
    19,683,040.80/29,524,561.20 = 12,085,370.40/x
  3. Step 3: Cross multiply
    19,683,040.80x = 29,524,561.20 × 12,085,370.40
  4. Step 4: Simplify right side
    19,683,040.80x = 356,815,257,999,468.50
  5. Step 5: Solve for x
    x = 356,815,257,999,468.50/19,683,040.80
  6. Step 6: Final answer
    x = 18,128,055.60

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1.5x scale

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.