Home / 11,491,807.80-17,237,711.70-8,090,585.40

Finding the Fourth Proportional to 11,491,807.80, 17,237,711.70 and 8,090,585.40

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Solution

The fourth proportional to 11,491,807.80, 17,237,711.70 and 8,090,585.40 is: 12,135,878.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,491,807.80 : 17,237,711.70 = 8,090,585.40 : x
  2. Step 2: Convert to fraction form
    11,491,807.80/17,237,711.70 = 8,090,585.40/x
  3. Step 3: Cross multiply
    11,491,807.80x = 17,237,711.70 × 8,090,585.40
  4. Step 4: Simplify right side
    11,491,807.80x = 139,463,178,609,429.19
  5. Step 5: Solve for x
    x = 139,463,178,609,429.19/11,491,807.80
  6. Step 6: Final answer
    x = 12,135,878.10

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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.