Home / 20,410,000.40-30,573,010.20-10,318,307.60

Finding the Fourth Proportional to 20,410,000.40, 30,573,010.20 and 10,318,307.60

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Solution

The fourth proportional to 20,410,000.40, 30,573,010.20 and 10,318,307.60 is: 15,456,233.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,410,000.40 : 30,573,010.20 = 10,318,307.60 : x
  2. Step 2: Convert to fraction form
    20,410,000.40/30,573,010.20 = 10,318,307.60/x
  3. Step 3: Cross multiply
    20,410,000.40x = 30,573,010.20 × 10,318,307.60
  4. Step 4: Simplify right side
    20,410,000.40x = 315,461,723,501,537.50
  5. Step 5: Solve for x
    x = 315,461,723,501,537.50/20,410,000.40
  6. Step 6: Final answer
    x = 15,456,233.09

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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.