Home / 28,202,409.20-42,303,613.80-9,033,791.60

Finding the Fourth Proportional to 28,202,409.20, 42,303,613.80 and 9,033,791.60

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Solution

The fourth proportional to 28,202,409.20, 42,303,613.80 and 9,033,791.60 is: 13,550,687.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,202,409.20 : 42,303,613.80 = 9,033,791.60 : x
  2. Step 2: Convert to fraction form
    28,202,409.20/42,303,613.80 = 9,033,791.60/x
  3. Step 3: Cross multiply
    28,202,409.20x = 42,303,613.80 × 9,033,791.60
  4. Step 4: Simplify right side
    28,202,409.20x = 382,162,030,996,084.06
  5. Step 5: Solve for x
    x = 382,162,030,996,084.06/28,202,409.20
  6. Step 6: Final answer
    x = 13,550,687.40

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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.