Home / 9,690,372.80-13,373,311.70-5,339,458.40

Finding the Fourth Proportional to 9,690,372.80, 13,373,311.70 and 5,339,458.40

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Solution

The fourth proportional to 9,690,372.80, 13,373,311.70 and 5,339,458.40 is: 7,368,781.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,690,372.80 : 13,373,311.70 = 5,339,458.40 : x
  2. Step 2: Convert to fraction form
    9,690,372.80/13,373,311.70 = 5,339,458.40/x
  3. Step 3: Cross multiply
    9,690,372.80x = 13,373,311.70 × 5,339,458.40
  4. Step 4: Simplify right side
    9,690,372.80x = 71,406,241,492,383.28
  5. Step 5: Solve for x
    x = 71,406,241,492,383.28/9,690,372.80
  6. Step 6: Final answer
    x = 7,368,781.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.