Home / 7,175,986.56-9,905,261.12-4,276,286.72

Finding the Fourth Proportional to 7,175,986.56, 9,905,261.12 and 4,276,286.72

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Solution

The fourth proportional to 7,175,986.56, 9,905,261.12 and 4,276,286.72 is: 5,902,705.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,175,986.56 : 9,905,261.12 = 4,276,286.72 : x
  2. Step 2: Convert to fraction form
    7,175,986.56/9,905,261.12 = 4,276,286.72/x
  3. Step 3: Cross multiply
    7,175,986.56x = 9,905,261.12 × 4,276,286.72
  4. Step 4: Simplify right side
    7,175,986.56x = 42,357,736,585,588.32
  5. Step 5: Solve for x
    x = 42,357,736,585,588.32/7,175,986.56
  6. Step 6: Final answer
    x = 5,902,705.67

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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.