Home / 7,178,022.42-9,905,321.43-4,277,348.70

Finding the Fourth Proportional to 7,178,022.42, 9,905,321.43 and 4,277,348.70

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Solution

The fourth proportional to 7,178,022.42, 9,905,321.43 and 4,277,348.70 is: 5,902,532.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,178,022.42 : 9,905,321.43 = 4,277,348.70 : x
  2. Step 2: Convert to fraction form
    7,178,022.42/9,905,321.43 = 4,277,348.70/x
  3. Step 3: Cross multiply
    7,178,022.42x = 9,905,321.43 × 4,277,348.70
  4. Step 4: Simplify right side
    7,178,022.42x = 42,368,513,741,692.64
  5. Step 5: Solve for x
    x = 42,368,513,741,692.64/7,178,022.42
  6. Step 6: Final answer
    x = 5,902,532.93

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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.