Home / 21,002,846.40-31,504,269.60-14,200,401.60

Finding the Fourth Proportional to 21,002,846.40, 31,504,269.60 and 14,200,401.60

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Solution

The fourth proportional to 21,002,846.40, 31,504,269.60 and 14,200,401.60 is: 21,300,602.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,002,846.40 : 31,504,269.60 = 14,200,401.60 : x
  2. Step 2: Convert to fraction form
    21,002,846.40/31,504,269.60 = 14,200,401.60/x
  3. Step 3: Cross multiply
    21,002,846.40x = 31,504,269.60 × 14,200,401.60
  4. Step 4: Simplify right side
    21,002,846.40x = 447,373,280,434,671.38
  5. Step 5: Solve for x
    x = 447,373,280,434,671.38/21,002,846.40
  6. Step 6: Final answer
    x = 21,300,602.40

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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.