Home / 7,581,639.86-10,462,508.66-4,143,905.49

Finding the Fourth Proportional to 7,581,639.86, 10,462,508.66 and 4,143,905.49

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Solution

The fourth proportional to 7,581,639.86, 10,462,508.66 and 4,143,905.49 is: 5,718,505.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,581,639.86 : 10,462,508.66 = 4,143,905.49 : x
  2. Step 2: Convert to fraction form
    7,581,639.86/10,462,508.66 = 4,143,905.49/x
  3. Step 3: Cross multiply
    7,581,639.86x = 10,462,508.66 × 4,143,905.49
  4. Step 4: Simplify right side
    7,581,639.86x = 43,355,647,054,627.02
  5. Step 5: Solve for x
    x = 43,355,647,054,627.02/7,581,639.86
  6. Step 6: Final answer
    x = 5,718,505.22

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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.