Home / 31,089,736.40-46,618,015.80-13,118,536.40

Finding the Fourth Proportional to 31,089,736.40, 46,618,015.80 and 13,118,536.40

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Solution

The fourth proportional to 31,089,736.40, 46,618,015.80 and 13,118,536.40 is: 19,670,804.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,089,736.40 : 46,618,015.80 = 13,118,536.40 : x
  2. Step 2: Convert to fraction form
    31,089,736.40/46,618,015.80 = 13,118,536.40/x
  3. Step 3: Cross multiply
    31,089,736.40x = 46,618,015.80 × 13,118,536.40
  4. Step 4: Simplify right side
    31,089,736.40x = 611,560,137,168,075.12
  5. Step 5: Solve for x
    x = 611,560,137,168,075.12/31,089,736.40
  6. Step 6: Final answer
    x = 19,670,804.84

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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.