Home / 20,134,014.75-30,144,739.64-10,878,827.58

Finding the Fourth Proportional to 20,134,014.75, 30,144,739.64 and 10,878,827.58

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Solution

The fourth proportional to 20,134,014.75, 30,144,739.64 and 10,878,827.58 is: 16,287,830.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,134,014.75 : 30,144,739.64 = 10,878,827.58 : x
  2. Step 2: Convert to fraction form
    20,134,014.75/30,144,739.64 = 10,878,827.58/x
  3. Step 3: Cross multiply
    20,134,014.75x = 30,144,739.64 × 10,878,827.58
  4. Step 4: Simplify right side
    20,134,014.75x = 327,939,424,933,157.12
  5. Step 5: Solve for x
    x = 327,939,424,933,157.12/20,134,014.75
  6. Step 6: Final answer
    x = 16,287,830.77

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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.