Home / 20,122,038.34-30,189,946.56-8,602,759.42

Finding the Fourth Proportional to 20,122,038.34, 30,189,946.56 and 8,602,759.42

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Solution

The fourth proportional to 20,122,038.34, 30,189,946.56 and 8,602,759.42 is: 12,907,084.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,122,038.34 : 30,189,946.56 = 8,602,759.42 : x
  2. Step 2: Convert to fraction form
    20,122,038.34/30,189,946.56 = 8,602,759.42/x
  3. Step 3: Cross multiply
    20,122,038.34x = 30,189,946.56 × 8,602,759.42
  4. Step 4: Simplify right side
    20,122,038.34x = 259,716,847,158,336.59
  5. Step 5: Solve for x
    x = 259,716,847,158,336.59/20,122,038.34
  6. Step 6: Final answer
    x = 12,907,084.40

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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.