Home / 9,038,018.72-13,557,137.60-2,648,400.64

Finding the Fourth Proportional to 9,038,018.72, 13,557,137.60 and 2,648,400.64

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Solution

The fourth proportional to 9,038,018.72, 13,557,137.60 and 2,648,400.64 is: 3,972,633.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,038,018.72 : 13,557,137.60 = 2,648,400.64 : x
  2. Step 2: Convert to fraction form
    9,038,018.72/13,557,137.60 = 2,648,400.64/x
  3. Step 3: Cross multiply
    9,038,018.72x = 13,557,137.60 × 2,648,400.64
  4. Step 4: Simplify right side
    9,038,018.72x = 35,904,731,896,408.06
  5. Step 5: Solve for x
    x = 35,904,731,896,408.06/9,038,018.72
  6. Step 6: Final answer
    x = 3,972,633.05

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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.