Home / 30,443,697.56-45,672,262.86-8,879,986.64

Finding the Fourth Proportional to 30,443,697.56, 45,672,262.86 and 8,879,986.64

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Solution

The fourth proportional to 30,443,697.56, 45,672,262.86 and 8,879,986.64 is: 13,321,939.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,443,697.56 : 45,672,262.86 = 8,879,986.64 : x
  2. Step 2: Convert to fraction form
    30,443,697.56/45,672,262.86 = 8,879,986.64/x
  3. Step 3: Cross multiply
    30,443,697.56x = 45,672,262.86 × 8,879,986.64
  4. Step 4: Simplify right side
    30,443,697.56x = 405,569,084,015,368.19
  5. Step 5: Solve for x
    x = 405,569,084,015,368.19/30,443,697.56
  6. Step 6: Final answer
    x = 13,321,939.07

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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.