Home / 10,490,994.29-15,719,094.12-6,379,879.50

Finding the Fourth Proportional to 10,490,994.29, 15,719,094.12 and 6,379,879.50

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Solution

The fourth proportional to 10,490,994.29, 15,719,094.12 and 6,379,879.50 is: 9,559,239.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,490,994.29 : 15,719,094.12 = 6,379,879.50 : x
  2. Step 2: Convert to fraction form
    10,490,994.29/15,719,094.12 = 6,379,879.50/x
  3. Step 3: Cross multiply
    10,490,994.29x = 15,719,094.12 × 6,379,879.50
  4. Step 4: Simplify right side
    10,490,994.29x = 100,285,926,334,758.53
  5. Step 5: Solve for x
    x = 100,285,926,334,758.53/10,490,994.29
  6. Step 6: Final answer
    x = 9,559,239.44

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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.