Home / 19,683,046.80-29,524,570.20-13,258,515.60

Finding the Fourth Proportional to 19,683,046.80, 29,524,570.20 and 13,258,515.60

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Solution

The fourth proportional to 19,683,046.80, 29,524,570.20 and 13,258,515.60 is: 19,887,773.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,683,046.80 : 29,524,570.20 = 13,258,515.60 : x
  2. Step 2: Convert to fraction form
    19,683,046.80/29,524,570.20 = 13,258,515.60/x
  3. Step 3: Cross multiply
    19,683,046.80x = 29,524,570.20 × 13,258,515.60
  4. Step 4: Simplify right side
    19,683,046.80x = 391,451,974,579,995.12
  5. Step 5: Solve for x
    x = 391,451,974,579,995.12/19,683,046.80
  6. Step 6: Final answer
    x = 19,887,773.40

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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.