Home / 20,208,710.85-30,312,630.90-5,635,242.15

Finding the Fourth Proportional to 20,208,710.85, 30,312,630.90 and 5,635,242.15

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Solution

The fourth proportional to 20,208,710.85, 30,312,630.90 and 5,635,242.15 is: 8,452,741.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,208,710.85 : 30,312,630.90 = 5,635,242.15 : x
  2. Step 2: Convert to fraction form
    20,208,710.85/30,312,630.90 = 5,635,242.15/x
  3. Step 3: Cross multiply
    20,208,710.85x = 30,312,630.90 × 5,635,242.15
  4. Step 4: Simplify right side
    20,208,710.85x = 170,819,015,325,072.44
  5. Step 5: Solve for x
    x = 170,819,015,325,072.44/20,208,710.85
  6. Step 6: Final answer
    x = 8,452,741.82

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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.