Home / 11,191,878.70-16,775,376.45-6,146,809.90

Finding the Fourth Proportional to 11,191,878.70, 16,775,376.45 and 6,146,809.90

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Solution

The fourth proportional to 11,191,878.70, 16,775,376.45 and 6,146,809.90 is: 9,213,381.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,191,878.70 : 16,775,376.45 = 6,146,809.90 : x
  2. Step 2: Convert to fraction form
    11,191,878.70/16,775,376.45 = 6,146,809.90/x
  3. Step 3: Cross multiply
    11,191,878.70x = 16,775,376.45 × 6,146,809.90
  4. Step 4: Simplify right side
    11,191,878.70x = 103,115,050,039,086.86
  5. Step 5: Solve for x
    x = 103,115,050,039,086.86/11,191,878.70
  6. Step 6: Final answer
    x = 9,213,381.67

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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.