Home / 9,690,376.55-13,373,316.90-5,339,462.18

Finding the Fourth Proportional to 9,690,376.55, 13,373,316.90 and 5,339,462.18

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Solution

The fourth proportional to 9,690,376.55, 13,373,316.90 and 5,339,462.18 is: 7,368,786.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,690,376.55 : 13,373,316.90 = 5,339,462.18 : x
  2. Step 2: Convert to fraction form
    9,690,376.55/13,373,316.90 = 5,339,462.18/x
  3. Step 3: Cross multiply
    9,690,376.55x = 13,373,316.90 × 5,339,462.18
  4. Step 4: Simplify right side
    9,690,376.55x = 71,406,319,741,838.25
  5. Step 5: Solve for x
    x = 71,406,319,741,838.25/9,690,376.55
  6. Step 6: Final answer
    x = 7,368,786.90

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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.