Home / 30,645,834.39-42,291,540.36-16,895,290.59

Finding the Fourth Proportional to 30,645,834.39, 42,291,540.36 and 16,895,290.59

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Solution

The fourth proportional to 30,645,834.39, 42,291,540.36 and 16,895,290.59 is: 23,315,660.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,645,834.39 : 42,291,540.36 = 16,895,290.59 : x
  2. Step 2: Convert to fraction form
    30,645,834.39/42,291,540.36 = 16,895,290.59/x
  3. Step 3: Cross multiply
    30,645,834.39x = 42,291,540.36 × 16,895,290.59
  4. Step 4: Simplify right side
    30,645,834.39x = 714,527,863,880,913.25
  5. Step 5: Solve for x
    x = 714,527,863,880,913.25/30,645,834.39
  6. Step 6: Final answer
    x = 23,315,660.29

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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.