Home / 30,266,380.80-45,391,165.01-8,401,733.28

Finding the Fourth Proportional to 30,266,380.80, 45,391,165.01 and 8,401,733.28

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Solution

The fourth proportional to 30,266,380.80, 45,391,165.01 and 8,401,733.28 is: 12,600,266.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,266,380.80 : 45,391,165.01 = 8,401,733.28 : x
  2. Step 2: Convert to fraction form
    30,266,380.80/45,391,165.01 = 8,401,733.28/x
  3. Step 3: Cross multiply
    30,266,380.80x = 45,391,165.01 × 8,401,733.28
  4. Step 4: Simplify right side
    30,266,380.80x = 381,364,461,413,524.06
  5. Step 5: Solve for x
    x = 381,364,461,413,524.06/30,266,380.80
  6. Step 6: Final answer
    x = 12,600,266.41

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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.