Home / 14,930,683.94-20,604,391.80-8,404,416.20

Finding the Fourth Proportional to 14,930,683.94, 20,604,391.80 and 8,404,416.20

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Solution

The fourth proportional to 14,930,683.94, 20,604,391.80 and 8,404,416.20 is: 11,598,121.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,930,683.94 : 20,604,391.80 = 8,404,416.20 : x
  2. Step 2: Convert to fraction form
    14,930,683.94/20,604,391.80 = 8,404,416.20/x
  3. Step 3: Cross multiply
    14,930,683.94x = 20,604,391.80 × 8,404,416.20
  4. Step 4: Simplify right side
    14,930,683.94x = 173,167,884,235,067.16
  5. Step 5: Solve for x
    x = 173,167,884,235,067.16/14,930,683.94
  6. Step 6: Final answer
    x = 11,598,121.35

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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.