Home / 18,593,669.80-27,890,504.70-12,547,052.20

Finding the Fourth Proportional to 18,593,669.80, 27,890,504.70 and 12,547,052.20

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Solution

The fourth proportional to 18,593,669.80, 27,890,504.70 and 12,547,052.20 is: 18,820,578.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,593,669.80 : 27,890,504.70 = 12,547,052.20 : x
  2. Step 2: Convert to fraction form
    18,593,669.80/27,890,504.70 = 12,547,052.20/x
  3. Step 3: Cross multiply
    18,593,669.80x = 27,890,504.70 × 12,547,052.20
  4. Step 4: Simplify right side
    18,593,669.80x = 349,943,618,355,245.31
  5. Step 5: Solve for x
    x = 349,943,618,355,245.31/18,593,669.80
  6. Step 6: Final answer
    x = 18,820,578.30

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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.