Finding the Fourth Proportional to 10,866,447.60, 16,276,051.80 and 6,599,173.20
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Solution
The fourth proportional to 10,866,447.60, 16,276,051.80 and 6,599,173.20 is: 9,884,415.66
Step by Step Solution
- Step 1: Write the proportion equation
10,866,447.60 : 16,276,051.80 = 6,599,173.20 : x - Step 2: Convert to fraction form
10,866,447.60/16,276,051.80 = 6,599,173.20/x - Step 3: Cross multiply
10,866,447.60x = 16,276,051.80 × 6,599,173.20 - Step 4: Simplify right side
10,866,447.60x = 107,408,484,840,371.77 - Step 5: Solve for x
x = 107,408,484,840,371.77/10,866,447.60 - Step 6: Final answer
x = 9,884,415.66
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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.