Home / 30,865,118.08-42,589,948.09-16,922,804.29

Finding the Fourth Proportional to 30,865,118.08, 42,589,948.09 and 16,922,804.29

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Solution

The fourth proportional to 30,865,118.08, 42,589,948.09 and 16,922,804.29 is: 23,351,323.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,865,118.08 : 42,589,948.09 = 16,922,804.29 : x
  2. Step 2: Convert to fraction form
    30,865,118.08/42,589,948.09 = 16,922,804.29/x
  3. Step 3: Cross multiply
    30,865,118.08x = 42,589,948.09 × 16,922,804.29
  4. Step 4: Simplify right side
    30,865,118.08x = 720,741,356,248,329.38
  5. Step 5: Solve for x
    x = 720,741,356,248,329.38/30,865,118.08
  6. Step 6: Final answer
    x = 23,351,323.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.