Home / 31,297,814.48-46,942,730.04-12,115,446.32

Finding the Fourth Proportional to 31,297,814.48, 46,942,730.04 and 12,115,446.32

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Solution

The fourth proportional to 31,297,814.48, 46,942,730.04 and 12,115,446.32 is: 18,171,624.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,297,814.48 : 46,942,730.04 = 12,115,446.32 : x
  2. Step 2: Convert to fraction form
    31,297,814.48/46,942,730.04 = 12,115,446.32/x
  3. Step 3: Cross multiply
    31,297,814.48x = 46,942,730.04 × 12,115,446.32
  4. Step 4: Simplify right side
    31,297,814.48x = 568,732,125,913,871.50
  5. Step 5: Solve for x
    x = 568,732,125,913,871.50/31,297,814.48
  6. Step 6: Final answer
    x = 18,171,624.29

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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.