Home / 20,240,367.42-30,360,640.02-6,407,394.12

Finding the Fourth Proportional to 20,240,367.42, 30,360,640.02 and 6,407,394.12

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Solution

The fourth proportional to 20,240,367.42, 30,360,640.02 and 6,407,394.12 is: 9,611,119.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,240,367.42 : 30,360,640.02 = 6,407,394.12 : x
  2. Step 2: Convert to fraction form
    20,240,367.42/30,360,640.02 = 6,407,394.12/x
  3. Step 3: Cross multiply
    20,240,367.42x = 30,360,640.02 × 6,407,394.12
  4. Step 4: Simplify right side
    20,240,367.42x = 194,532,586,343,584.69
  5. Step 5: Solve for x
    x = 194,532,586,343,584.69/20,240,367.42
  6. Step 6: Final answer
    x = 9,611,119.32

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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.