Home / 30,865,117.08-42,589,946.71-16,922,803.29

Finding the Fourth Proportional to 30,865,117.08, 42,589,946.71 and 16,922,803.29

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Solution

The fourth proportional to 30,865,117.08, 42,589,946.71 and 16,922,803.29 is: 23,351,322.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,865,117.08 : 42,589,946.71 = 16,922,803.29 : x
  2. Step 2: Convert to fraction form
    30,865,117.08/42,589,946.71 = 16,922,803.29/x
  3. Step 3: Cross multiply
    30,865,117.08x = 42,589,946.71 × 16,922,803.29
  4. Step 4: Simplify right side
    30,865,117.08x = 720,741,290,304,912.62
  5. Step 5: Solve for x
    x = 720,741,290,304,912.62/30,865,117.08
  6. Step 6: Final answer
    x = 23,351,322.09

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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.