Home / 7,638,317.65-10,540,668.09-4,200,558.68

Finding the Fourth Proportional to 7,638,317.65, 10,540,668.09 and 4,200,558.68

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Solution

The fourth proportional to 7,638,317.65, 10,540,668.09 and 4,200,558.68 is: 5,796,655.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,638,317.65 : 10,540,668.09 = 4,200,558.68 : x
  2. Step 2: Convert to fraction form
    7,638,317.65/10,540,668.09 = 4,200,558.68/x
  3. Step 3: Cross multiply
    7,638,317.65x = 10,540,668.09 × 4,200,558.68
  4. Step 4: Simplify right side
    7,638,317.65x = 44,276,694,838,448.52
  5. Step 5: Solve for x
    x = 44,276,694,838,448.52/7,638,317.65
  6. Step 6: Final answer
    x = 5,796,655.35

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1.5x scale

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.