Home / 13,089,953.87-19,628,361.59-7,626,814.20

Finding the Fourth Proportional to 13,089,953.87, 19,628,361.59 and 7,626,814.20

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Solution

The fourth proportional to 13,089,953.87, 19,628,361.59 and 7,626,814.20 is: 11,436,393.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,089,953.87 : 19,628,361.59 = 7,626,814.20 : x
  2. Step 2: Convert to fraction form
    13,089,953.87/19,628,361.59 = 7,626,814.20/x
  3. Step 3: Cross multiply
    13,089,953.87x = 19,628,361.59 × 7,626,814.20
  4. Step 4: Simplify right side
    13,089,953.87x = 149,701,866,859,212.53
  5. Step 5: Solve for x
    x = 149,701,866,859,212.53/13,089,953.87
  6. Step 6: Final answer
    x = 11,436,393.77

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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.