Home / 8,720,021.20-13,082,364.60-6,200,597.20

Finding the Fourth Proportional to 8,720,021.20, 13,082,364.60 and 6,200,597.20

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Solution

The fourth proportional to 8,720,021.20, 13,082,364.60 and 6,200,597.20 is: 9,302,554.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,720,021.20 : 13,082,364.60 = 6,200,597.20 : x
  2. Step 2: Convert to fraction form
    8,720,021.20/13,082,364.60 = 6,200,597.20/x
  3. Step 3: Cross multiply
    8,720,021.20x = 13,082,364.60 × 6,200,597.20
  4. Step 4: Simplify right side
    8,720,021.20x = 81,118,473,308,139.12
  5. Step 5: Solve for x
    x = 81,118,473,308,139.12/8,720,021.20
  6. Step 6: Final answer
    x = 9,302,554.60

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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.