Finding the Fourth Proportional to 26,080,987.60, 35,989,957.29 and 14,477,633.92
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Solution
The fourth proportional to 26,080,987.60, 35,989,957.29 and 14,477,633.92 is: 19,978,132.52
Step by Step Solution
- Step 1: Write the proportion equation
26,080,987.60 : 35,989,957.29 = 14,477,633.92 : x - Step 2: Convert to fraction form
26,080,987.60/35,989,957.29 = 14,477,633.92/x - Step 3: Cross multiply
26,080,987.60x = 35,989,957.29 × 14,477,633.92 - Step 4: Simplify right side
26,080,987.60x = 521,049,426,441,055.25 - Step 5: Solve for x
x = 521,049,426,441,055.25/26,080,987.60 - Step 6: Final answer
x = 19,978,132.52
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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.