Home / 7,178,780.05-10,759,189.60-3,585,549.98

Finding the Fourth Proportional to 7,178,780.05, 10,759,189.60 and 3,585,549.98

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Solution

The fourth proportional to 7,178,780.05, 10,759,189.60 and 3,585,549.98 is: 5,373,839.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,178,780.05 : 10,759,189.60 = 3,585,549.98 : x
  2. Step 2: Convert to fraction form
    7,178,780.05/10,759,189.60 = 3,585,549.98/x
  3. Step 3: Cross multiply
    7,178,780.05x = 10,759,189.60 × 3,585,549.98
  4. Step 4: Simplify right side
    7,178,780.05x = 38,577,612,086,476.12
  5. Step 5: Solve for x
    x = 38,577,612,086,476.12/7,178,780.05
  6. Step 6: Final answer
    x = 5,373,839.54

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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.