Home / 20,144,002.79-30,223,485.65-13,992,743.32

Finding the Fourth Proportional to 20,144,002.79, 30,223,485.65 and 13,992,743.32

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Solution

The fourth proportional to 20,144,002.79, 30,223,485.65 and 13,992,743.32 is: 20,994,311.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,144,002.79 : 30,223,485.65 = 13,992,743.32 : x
  2. Step 2: Convert to fraction form
    20,144,002.79/30,223,485.65 = 13,992,743.32/x
  3. Step 3: Cross multiply
    20,144,002.79x = 30,223,485.65 × 13,992,743.32
  4. Step 4: Simplify right side
    20,144,002.79x = 422,909,476,895,576.50
  5. Step 5: Solve for x
    x = 422,909,476,895,576.50/20,144,002.79
  6. Step 6: Final answer
    x = 20,994,311.87

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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.