Finding the Fourth Proportional to 16,642,703.40, 24,964,055.10 and 13,955,317.80
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Solution
The fourth proportional to 16,642,703.40, 24,964,055.10 and 13,955,317.80 is: 20,932,976.70
Step by Step Solution
- Step 1: Write the proportion equation
16,642,703.40 : 24,964,055.10 = 13,955,317.80 : x - Step 2: Convert to fraction form
16,642,703.40/24,964,055.10 = 13,955,317.80/x - Step 3: Cross multiply
16,642,703.40x = 24,964,055.10 × 13,955,317.80 - Step 4: Simplify right side
16,642,703.40x = 348,381,322,497,210.81 - Step 5: Solve for x
x = 348,381,322,497,210.81/16,642,703.40 - Step 6: Final answer
x = 20,932,976.70
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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.