Home / 11,178,004.70-16,767,007.05-8,343,652.70

Finding the Fourth Proportional to 11,178,004.70, 16,767,007.05 and 8,343,652.70

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Solution

The fourth proportional to 11,178,004.70, 16,767,007.05 and 8,343,652.70 is: 12,515,479.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,178,004.70 : 16,767,007.05 = 8,343,652.70 : x
  2. Step 2: Convert to fraction form
    11,178,004.70/16,767,007.05 = 8,343,652.70/x
  3. Step 3: Cross multiply
    11,178,004.70x = 16,767,007.05 × 8,343,652.70
  4. Step 4: Simplify right side
    11,178,004.70x = 139,898,083,643,651.55
  5. Step 5: Solve for x
    x = 139,898,083,643,651.55/11,178,004.70
  6. Step 6: Final answer
    x = 12,515,479.05

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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.