Home / 12,409,817.40-18,616,475.70-3,889,265.40

Finding the Fourth Proportional to 12,409,817.40, 18,616,475.70 and 3,889,265.40

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Solution

The fourth proportional to 12,409,817.40, 18,616,475.70 and 3,889,265.40 is: 5,834,446.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,409,817.40 : 18,616,475.70 = 3,889,265.40 : x
  2. Step 2: Convert to fraction form
    12,409,817.40/18,616,475.70 = 3,889,265.40/x
  3. Step 3: Cross multiply
    12,409,817.40x = 18,616,475.70 × 3,889,265.40
  4. Step 4: Simplify right side
    12,409,817.40x = 72,404,414,809,950.78
  5. Step 5: Solve for x
    x = 72,404,414,809,950.78/12,409,817.40
  6. Step 6: Final answer
    x = 5,834,446.43

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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.