Home / 16,679,484.91-23,017,513.26-9,337,378.42

Finding the Fourth Proportional to 16,679,484.91, 23,017,513.26 and 9,337,378.42

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Solution

The fourth proportional to 16,679,484.91, 23,017,513.26 and 9,337,378.42 is: 12,885,483.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,679,484.91 : 23,017,513.26 = 9,337,378.42 : x
  2. Step 2: Convert to fraction form
    16,679,484.91/23,017,513.26 = 9,337,378.42/x
  3. Step 3: Cross multiply
    16,679,484.91x = 23,017,513.26 × 9,337,378.42
  4. Step 4: Simplify right side
    16,679,484.91x = 214,923,231,595,987.88
  5. Step 5: Solve for x
    x = 214,923,231,595,987.88/16,679,484.91
  6. Step 6: Final answer
    x = 12,885,483.74

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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.