Home / 12,466,930.80-18,700,396.20-4,889,996.40

Finding the Fourth Proportional to 12,466,930.80, 18,700,396.20 and 4,889,996.40

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Solution

The fourth proportional to 12,466,930.80, 18,700,396.20 and 4,889,996.40 is: 7,334,994.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,466,930.80 : 18,700,396.20 = 4,889,996.40 : x
  2. Step 2: Convert to fraction form
    12,466,930.80/18,700,396.20 = 4,889,996.40/x
  3. Step 3: Cross multiply
    12,466,930.80x = 18,700,396.20 × 4,889,996.40
  4. Step 4: Simplify right side
    12,466,930.80x = 91,444,870,096,573.69
  5. Step 5: Solve for x
    x = 91,444,870,096,573.69/12,466,930.80
  6. Step 6: Final answer
    x = 7,334,994.60

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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.