Home / 8,961,946.10-13,442,919.15-2,978,314.10

Finding the Fourth Proportional to 8,961,946.10, 13,442,919.15 and 2,978,314.10

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Solution

The fourth proportional to 8,961,946.10, 13,442,919.15 and 2,978,314.10 is: 4,467,471.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,961,946.10 : 13,442,919.15 = 2,978,314.10 : x
  2. Step 2: Convert to fraction form
    8,961,946.10/13,442,919.15 = 2,978,314.10/x
  3. Step 3: Cross multiply
    8,961,946.10x = 13,442,919.15 × 2,978,314.10
  4. Step 4: Simplify right side
    8,961,946.10x = 40,037,235,649,605.02
  5. Step 5: Solve for x
    x = 40,037,235,649,605.02/8,961,946.10
  6. Step 6: Final answer
    x = 4,467,471.15

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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.