Finding the Fourth Proportional to 14,257,946.63, 21,389,582.01 and 6,477,406.94
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Solution
The fourth proportional to 14,257,946.63, 21,389,582.01 and 6,477,406.94 is: 9,717,319.79
Step by Step Solution
- Step 1: Write the proportion equation
14,257,946.63 : 21,389,582.01 = 6,477,406.94 : x - Step 2: Convert to fraction form
14,257,946.63/21,389,582.01 = 6,477,406.94/x - Step 3: Cross multiply
14,257,946.63x = 21,389,582.01 × 6,477,406.94 - Step 4: Simplify right side
14,257,946.63x = 138,549,026,912,720.98 - Step 5: Solve for x
x = 138,549,026,912,720.98/14,257,946.63 - Step 6: Final answer
x = 9,717,319.79
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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.