Home / 30,672,085.60-46,008,128.40-9,110,015.20

Finding the Fourth Proportional to 30,672,085.60, 46,008,128.40 and 9,110,015.20

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Solution

The fourth proportional to 30,672,085.60, 46,008,128.40 and 9,110,015.20 is: 13,665,022.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,672,085.60 : 46,008,128.40 = 9,110,015.20 : x
  2. Step 2: Convert to fraction form
    30,672,085.60/46,008,128.40 = 9,110,015.20/x
  3. Step 3: Cross multiply
    30,672,085.60x = 46,008,128.40 × 9,110,015.20
  4. Step 4: Simplify right side
    30,672,085.60x = 419,134,749,047,551.62
  5. Step 5: Solve for x
    x = 419,134,749,047,551.62/30,672,085.60
  6. Step 6: Final answer
    x = 13,665,022.80

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1.5x scale

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.