Home / 30,433,907.59-45,651,525.98-18,313,509.85

Finding the Fourth Proportional to 30,433,907.59, 45,651,525.98 and 18,313,509.85

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Solution

The fourth proportional to 30,433,907.59, 45,651,525.98 and 18,313,509.85 is: 27,470,664.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,433,907.59 : 45,651,525.98 = 18,313,509.85 : x
  2. Step 2: Convert to fraction form
    30,433,907.59/45,651,525.98 = 18,313,509.85/x
  3. Step 3: Cross multiply
    30,433,907.59x = 45,651,525.98 × 18,313,509.85
  4. Step 4: Simplify right side
    30,433,907.59x = 836,039,670,496,564.62
  5. Step 5: Solve for x
    x = 836,039,670,496,564.62/30,433,907.59
  6. Step 6: Final answer
    x = 27,470,664.69

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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.