Home / 28,212,002.10-42,318,003.15-6,936,866.10

Finding the Fourth Proportional to 28,212,002.10, 42,318,003.15 and 6,936,866.10

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Solution

The fourth proportional to 28,212,002.10, 42,318,003.15 and 6,936,866.10 is: 10,405,299.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,212,002.10 : 42,318,003.15 = 6,936,866.10 : x
  2. Step 2: Convert to fraction form
    28,212,002.10/42,318,003.15 = 6,936,866.10/x
  3. Step 3: Cross multiply
    28,212,002.10x = 42,318,003.15 × 6,936,866.10
  4. Step 4: Simplify right side
    28,212,002.10x = 293,554,321,470,928.19
  5. Step 5: Solve for x
    x = 293,554,321,470,928.19/28,212,002.10
  6. Step 6: Final answer
    x = 10,405,299.15

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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.