Home / 7,163,936.60-9,886,146.38-3,900,750.34

Finding the Fourth Proportional to 7,163,936.60, 9,886,146.38 and 3,900,750.34

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Solution

The fourth proportional to 7,163,936.60, 9,886,146.38 and 3,900,750.34 is: 5,382,988.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,163,936.60 : 9,886,146.38 = 3,900,750.34 : x
  2. Step 2: Convert to fraction form
    7,163,936.60/9,886,146.38 = 3,900,750.34/x
  3. Step 3: Cross multiply
    7,163,936.60x = 9,886,146.38 × 3,900,750.34
  4. Step 4: Simplify right side
    7,163,936.60x = 38,563,388,853,074.77
  5. Step 5: Solve for x
    x = 38,563,388,853,074.77/7,163,936.60
  6. Step 6: Final answer
    x = 5,382,988.57

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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.