Home / 7,701,528.72-10,628,112.21-4,217,087.90

Finding the Fourth Proportional to 7,701,528.72, 10,628,112.21 and 4,217,087.90

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Solution

The fourth proportional to 7,701,528.72, 10,628,112.21 and 4,217,087.90 is: 5,819,582.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,701,528.72 : 10,628,112.21 = 4,217,087.90 : x
  2. Step 2: Convert to fraction form
    7,701,528.72/10,628,112.21 = 4,217,087.90/x
  3. Step 3: Cross multiply
    7,701,528.72x = 10,628,112.21 × 4,217,087.90
  4. Step 4: Simplify right side
    7,701,528.72x = 44,819,683,400,633.27
  5. Step 5: Solve for x
    x = 44,819,683,400,633.27/7,701,528.72
  6. Step 6: Final answer
    x = 5,819,582.71

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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.