Home / 19,008,082.80-28,512,124.20-5,546,271.60

Finding the Fourth Proportional to 19,008,082.80, 28,512,124.20 and 5,546,271.60

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Solution

The fourth proportional to 19,008,082.80, 28,512,124.20 and 5,546,271.60 is: 8,319,407.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,008,082.80 : 28,512,124.20 = 5,546,271.60 : x
  2. Step 2: Convert to fraction form
    19,008,082.80/28,512,124.20 = 5,546,271.60/x
  3. Step 3: Cross multiply
    19,008,082.80x = 28,512,124.20 × 5,546,271.60
  4. Step 4: Simplify right side
    19,008,082.80x = 158,135,984,706,132.72
  5. Step 5: Solve for x
    x = 158,135,984,706,132.72/19,008,082.80
  6. Step 6: Final answer
    x = 8,319,407.40

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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.