Home / 7,321,235.49-10,103,287.43-4,013,523.81

Finding the Fourth Proportional to 7,321,235.49, 10,103,287.43 and 4,013,523.81

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Solution

The fourth proportional to 7,321,235.49, 10,103,287.43 and 4,013,523.81 is: 5,538,653.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,321,235.49 : 10,103,287.43 = 4,013,523.81 : x
  2. Step 2: Convert to fraction form
    7,321,235.49/10,103,287.43 = 4,013,523.81/x
  3. Step 3: Cross multiply
    7,321,235.49x = 10,103,287.43 × 4,013,523.81
  4. Step 4: Simplify right side
    7,321,235.49x = 40,549,784,639,511.09
  5. Step 5: Solve for x
    x = 40,549,784,639,511.09/7,321,235.49
  6. Step 6: Final answer
    x = 5,538,653.24

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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.