Home / 20,048,407.34-30,085,261.50-8,533,856.30

Finding the Fourth Proportional to 20,048,407.34, 30,085,261.50 and 8,533,856.30

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Solution

The fourth proportional to 20,048,407.34, 30,085,261.50 and 8,533,856.30 is: 12,806,169.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,048,407.34 : 30,085,261.50 = 8,533,856.30 : x
  2. Step 2: Convert to fraction form
    20,048,407.34/30,085,261.50 = 8,533,856.30/x
  3. Step 3: Cross multiply
    20,048,407.34x = 30,085,261.50 × 8,533,856.30
  4. Step 4: Simplify right side
    20,048,407.34x = 256,743,298,388,922.47
  5. Step 5: Solve for x
    x = 256,743,298,388,922.47/20,048,407.34
  6. Step 6: Final answer
    x = 12,806,169.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.