Home / 28,271,213.12-42,401,771.56-7,521,770.46

Finding the Fourth Proportional to 28,271,213.12, 42,401,771.56 and 7,521,770.46

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Solution

The fourth proportional to 28,271,213.12, 42,401,771.56 and 7,521,770.46 is: 11,281,312.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,271,213.12 : 42,401,771.56 = 7,521,770.46 : x
  2. Step 2: Convert to fraction form
    28,271,213.12/42,401,771.56 = 7,521,770.46/x
  3. Step 3: Cross multiply
    28,271,213.12x = 42,401,771.56 × 7,521,770.46
  4. Step 4: Simplify right side
    28,271,213.12x = 318,936,392,940,085
  5. Step 5: Solve for x
    x = 318,936,392,940,085/28,271,213.12
  6. Step 6: Final answer
    x = 11,281,312.60

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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.