Home / 8,511,931.44-12,769,821.72-2,832,379.92

Finding the Fourth Proportional to 8,511,931.44, 12,769,821.72 and 2,832,379.92

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Solution

The fourth proportional to 8,511,931.44, 12,769,821.72 and 2,832,379.92 is: 4,249,210.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,511,931.44 : 12,769,821.72 = 2,832,379.92 : x
  2. Step 2: Convert to fraction form
    8,511,931.44/12,769,821.72 = 2,832,379.92/x
  3. Step 3: Cross multiply
    8,511,931.44x = 12,769,821.72 × 2,832,379.92
  4. Step 4: Simplify right side
    8,511,931.44x = 36,168,986,621,707.87
  5. Step 5: Solve for x
    x = 36,168,986,621,707.87/8,511,931.44
  6. Step 6: Final answer
    x = 4,249,210.29

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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.