Home / 12,481,938.40-18,722,907.60-3,506,490.40

Finding the Fourth Proportional to 12,481,938.40, 18,722,907.60 and 3,506,490.40

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Solution

The fourth proportional to 12,481,938.40, 18,722,907.60 and 3,506,490.40 is: 5,259,735.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,481,938.40 : 18,722,907.60 = 3,506,490.40 : x
  2. Step 2: Convert to fraction form
    12,481,938.40/18,722,907.60 = 3,506,490.40/x
  3. Step 3: Cross multiply
    12,481,938.40x = 18,722,907.60 × 3,506,490.40
  4. Step 4: Simplify right side
    12,481,938.40x = 65,651,695,759,487.05
  5. Step 5: Solve for x
    x = 65,651,695,759,487.05/12,481,938.40
  6. Step 6: Final answer
    x = 5,259,735.60

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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.