Home / 10,920,005.40-16,380,008.10-8,794,241.40

Finding the Fourth Proportional to 10,920,005.40, 16,380,008.10 and 8,794,241.40

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Solution

The fourth proportional to 10,920,005.40, 16,380,008.10 and 8,794,241.40 is: 13,191,362.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,920,005.40 : 16,380,008.10 = 8,794,241.40 : x
  2. Step 2: Convert to fraction form
    10,920,005.40/16,380,008.10 = 8,794,241.40/x
  3. Step 3: Cross multiply
    10,920,005.40x = 16,380,008.10 × 8,794,241.40
  4. Step 4: Simplify right side
    10,920,005.40x = 144,049,745,365,355.34
  5. Step 5: Solve for x
    x = 144,049,745,365,355.34/10,920,005.40
  6. Step 6: Final answer
    x = 13,191,362.10

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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.