Home / 8,515,390.08-12,775,041.12-2,450,172.05

Finding the Fourth Proportional to 8,515,390.08, 12,775,041.12 and 2,450,172.05

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Solution

The fourth proportional to 8,515,390.08, 12,775,041.12 and 2,450,172.05 is: 3,675,820.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,515,390.08 : 12,775,041.12 = 2,450,172.05 : x
  2. Step 2: Convert to fraction form
    8,515,390.08/12,775,041.12 = 2,450,172.05/x
  3. Step 3: Cross multiply
    8,515,390.08x = 12,775,041.12 × 2,450,172.05
  4. Step 4: Simplify right side
    8,515,390.08x = 31,301,048,613,698.63
  5. Step 5: Solve for x
    x = 31,301,048,613,698.63/8,515,390.08
  6. Step 6: Final answer
    x = 3,675,820.87

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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.