Finding the Fourth Proportional to 13,802,990.36, 19,048,202.26 and 8,005,209.62
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Solution
The fourth proportional to 13,802,990.36, 19,048,202.26 and 8,005,209.62 is: 11,047,233.10
Step by Step Solution
- Step 1: Write the proportion equation
13,802,990.36 : 19,048,202.26 = 8,005,209.62 : x - Step 2: Convert to fraction form
13,802,990.36/19,048,202.26 = 8,005,209.62/x - Step 3: Cross multiply
13,802,990.36x = 19,048,202.26 × 8,005,209.62 - Step 4: Simplify right side
13,802,990.36x = 152,484,851,860,203.72 - Step 5: Solve for x
x = 152,484,851,860,203.72/13,802,990.36 - Step 6: Final answer
x = 11,047,233.10
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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.