Home / 9,171,907.80-13,756,112.10-2,782,368.60

Finding the Fourth Proportional to 9,171,907.80, 13,756,112.10 and 2,782,368.60

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Solution

The fourth proportional to 9,171,907.80, 13,756,112.10 and 2,782,368.60 is: 4,173,022.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,171,907.80 : 13,756,112.10 = 2,782,368.60 : x
  2. Step 2: Convert to fraction form
    9,171,907.80/13,756,112.10 = 2,782,368.60/x
  3. Step 3: Cross multiply
    9,171,907.80x = 13,756,112.10 × 2,782,368.60
  4. Step 4: Simplify right side
    9,171,907.80x = 38,274,574,365,120.06
  5. Step 5: Solve for x
    x = 38,274,574,365,120.06/9,171,907.80
  6. Step 6: Final answer
    x = 4,173,022.15

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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.