Home / 12,547,690.80-18,821,536.20-7,496,401.20

Finding the Fourth Proportional to 12,547,690.80, 18,821,536.20 and 7,496,401.20

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Solution

The fourth proportional to 12,547,690.80, 18,821,536.20 and 7,496,401.20 is: 11,244,601.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,547,690.80 : 18,821,536.20 = 7,496,401.20 : x
  2. Step 2: Convert to fraction form
    12,547,690.80/18,821,536.20 = 7,496,401.20/x
  3. Step 3: Cross multiply
    12,547,690.80x = 18,821,536.20 × 7,496,401.20
  4. Step 4: Simplify right side
    12,547,690.80x = 141,093,786,555,523.44
  5. Step 5: Solve for x
    x = 141,093,786,555,523.44/12,547,690.80
  6. Step 6: Final answer
    x = 11,244,601.80

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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.