Home / 12,485,745.68-18,715,848.24-6,326,317.12

Finding the Fourth Proportional to 12,485,745.68, 18,715,848.24 and 6,326,317.12

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Solution

The fourth proportional to 12,485,745.68, 18,715,848.24 and 6,326,317.12 is: 9,483,005.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,485,745.68 : 18,715,848.24 = 6,326,317.12 : x
  2. Step 2: Convert to fraction form
    12,485,745.68/18,715,848.24 = 6,326,317.12/x
  3. Step 3: Cross multiply
    12,485,745.68x = 18,715,848.24 × 6,326,317.12
  4. Step 4: Simplify right side
    12,485,745.68x = 118,402,391,136,033.86
  5. Step 5: Solve for x
    x = 118,402,391,136,033.86/12,485,745.68
  6. Step 6: Final answer
    x = 9,483,005.19

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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.