Home / 36,243,007.80-54,364,511.70-12,308,479.80

Finding the Fourth Proportional to 36,243,007.80, 54,364,511.70 and 12,308,479.80

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Solution

The fourth proportional to 36,243,007.80, 54,364,511.70 and 12,308,479.80 is: 18,462,719.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,243,007.80 : 54,364,511.70 = 12,308,479.80 : x
  2. Step 2: Convert to fraction form
    36,243,007.80/54,364,511.70 = 12,308,479.80/x
  3. Step 3: Cross multiply
    36,243,007.80x = 54,364,511.70 × 12,308,479.80
  4. Step 4: Simplify right side
    36,243,007.80x = 669,144,494,096,313.75
  5. Step 5: Solve for x
    x = 669,144,494,096,313.75/36,243,007.80
  6. Step 6: Final answer
    x = 18,462,719.70

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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.