Home / 11,115,403.20-16,673,104.80-10,997,438.40

Finding the Fourth Proportional to 11,115,403.20, 16,673,104.80 and 10,997,438.40

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Solution

The fourth proportional to 11,115,403.20, 16,673,104.80 and 10,997,438.40 is: 16,496,157.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,115,403.20 : 16,673,104.80 = 10,997,438.40 : x
  2. Step 2: Convert to fraction form
    11,115,403.20/16,673,104.80 = 10,997,438.40/x
  3. Step 3: Cross multiply
    11,115,403.20x = 16,673,104.80 × 10,997,438.40
  4. Step 4: Simplify right side
    11,115,403.20x = 183,361,442,974,744.34
  5. Step 5: Solve for x
    x = 183,361,442,974,744.34/11,115,403.20
  6. Step 6: Final answer
    x = 16,496,157.60

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Double scale
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Similar ratio
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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.