Home / 5,142,738.42-7,676,555.73-4,768,072.50

Finding the Fourth Proportional to 5,142,738.42, 7,676,555.73 and 4,768,072.50

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Solution

The fourth proportional to 5,142,738.42, 7,676,555.73 and 4,768,072.50 is: 7,117,292.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,142,738.42 : 7,676,555.73 = 4,768,072.50 : x
  2. Step 2: Convert to fraction form
    5,142,738.42/7,676,555.73 = 4,768,072.50/x
  3. Step 3: Cross multiply
    5,142,738.42x = 7,676,555.73 × 4,768,072.50
  4. Step 4: Simplify right side
    5,142,738.42x = 36,602,374,270,930.43
  5. Step 5: Solve for x
    x = 36,602,374,270,930.43/5,142,738.42
  6. Step 6: Final answer
    x = 7,117,292.63

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.