Home / 31,308,018.40-46,962,027.60-8,588,879.20

Finding the Fourth Proportional to 31,308,018.40, 46,962,027.60 and 8,588,879.20

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Solution

The fourth proportional to 31,308,018.40, 46,962,027.60 and 8,588,879.20 is: 12,883,318.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,308,018.40 : 46,962,027.60 = 8,588,879.20 : x
  2. Step 2: Convert to fraction form
    31,308,018.40/46,962,027.60 = 8,588,879.20/x
  3. Step 3: Cross multiply
    31,308,018.40x = 46,962,027.60 × 8,588,879.20
  4. Step 4: Simplify right side
    31,308,018.40x = 403,351,182,043,465.88
  5. Step 5: Solve for x
    x = 403,351,182,043,465.88/31,308,018.40
  6. Step 6: Final answer
    x = 12,883,318.80

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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.