Finding the Fourth Proportional to 13,827,986.74, 19,089,788.61 and 10,102,634.53
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Solution
The fourth proportional to 13,827,986.74, 19,089,788.61 and 10,102,634.53 is: 13,946,871.75
Step by Step Solution
- Step 1: Write the proportion equation
13,827,986.74 : 19,089,788.61 = 10,102,634.53 : x - Step 2: Convert to fraction form
13,827,986.74/19,089,788.61 = 10,102,634.53/x - Step 3: Cross multiply
13,827,986.74x = 19,089,788.61 × 10,102,634.53 - Step 4: Simplify right side
13,827,986.74x = 192,857,157,581,786.69 - Step 5: Solve for x
x = 192,857,157,581,786.69/13,827,986.74 - Step 6: Final answer
x = 13,946,871.75
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.