Home / 43,728,271.20-65,592,406.80-13,436,085.60

Finding the Fourth Proportional to 43,728,271.20, 65,592,406.80 and 13,436,085.60

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Solution

The fourth proportional to 43,728,271.20, 65,592,406.80 and 13,436,085.60 is: 20,154,128.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,728,271.20 : 65,592,406.80 = 13,436,085.60 : x
  2. Step 2: Convert to fraction form
    43,728,271.20/65,592,406.80 = 13,436,085.60/x
  3. Step 3: Cross multiply
    43,728,271.20x = 65,592,406.80 × 13,436,085.60
  4. Step 4: Simplify right side
    43,728,271.20x = 881,305,192,474,822
  5. Step 5: Solve for x
    x = 881,305,192,474,822/43,728,271.20
  6. Step 6: Final answer
    x = 20,154,128.40

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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.