Home / 18,685,376.98-25,798,570.22-12,085,962.33

Finding the Fourth Proportional to 18,685,376.98, 25,798,570.22 and 12,085,962.33

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Solution

The fourth proportional to 18,685,376.98, 25,798,570.22 and 12,085,962.33 is: 16,686,874.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,685,376.98 : 25,798,570.22 = 12,085,962.33 : x
  2. Step 2: Convert to fraction form
    18,685,376.98/25,798,570.22 = 12,085,962.33/x
  3. Step 3: Cross multiply
    18,685,376.98x = 25,798,570.22 × 12,085,962.33
  4. Step 4: Simplify right side
    18,685,376.98x = 311,800,547,846,779.81
  5. Step 5: Solve for x
    x = 311,800,547,846,779.81/18,685,376.98
  6. Step 6: Final answer
    x = 16,686,874.89

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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.