Home / 30,718,182.96-46,079,920.44-7,999,121.52

Finding the Fourth Proportional to 30,718,182.96, 46,079,920.44 and 7,999,121.52

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Solution

The fourth proportional to 30,718,182.96, 46,079,920.44 and 7,999,121.52 is: 11,999,371.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,718,182.96 : 46,079,920.44 = 7,999,121.52 : x
  2. Step 2: Convert to fraction form
    30,718,182.96/46,079,920.44 = 7,999,121.52/x
  3. Step 3: Cross multiply
    30,718,182.96x = 46,079,920.44 × 7,999,121.52
  4. Step 4: Simplify right side
    30,718,182.96x = 368,598,883,231,491.81
  5. Step 5: Solve for x
    x = 368,598,883,231,491.81/30,718,182.96
  6. Step 6: Final answer
    x = 11,999,371.31

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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.