Home / 7,328,478.92-10,111,786.47-4,230,948.60

Finding the Fourth Proportional to 7,328,478.92, 10,111,786.47 and 4,230,948.60

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Solution

The fourth proportional to 7,328,478.92, 10,111,786.47 and 4,230,948.60 is: 5,837,834.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,328,478.92 : 10,111,786.47 = 4,230,948.60 : x
  2. Step 2: Convert to fraction form
    7,328,478.92/10,111,786.47 = 4,230,948.60/x
  3. Step 3: Cross multiply
    7,328,478.92x = 10,111,786.47 × 4,230,948.60
  4. Step 4: Simplify right side
    7,328,478.92x = 42,782,448,808,745.44
  5. Step 5: Solve for x
    x = 42,782,448,808,745.44/7,328,478.92
  6. Step 6: Final answer
    x = 5,837,834.74

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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.