Finding the Fourth Proportional to 11,817,849.68, 16,308,632.61 and 6,385,341.68
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Solution
The fourth proportional to 11,817,849.68, 16,308,632.61 and 6,385,341.68 is: 8,811,771.55
Step by Step Solution
- Step 1: Write the proportion equation
11,817,849.68 : 16,308,632.61 = 6,385,341.68 : x - Step 2: Convert to fraction form
11,817,849.68/16,308,632.61 = 6,385,341.68/x - Step 3: Cross multiply
11,817,849.68x = 16,308,632.61 × 6,385,341.68 - Step 4: Simplify right side
11,817,849.68x = 104,136,191,548,440.17 - Step 5: Solve for x
x = 104,136,191,548,440.17/11,817,849.68 - Step 6: Final answer
x = 8,811,771.55
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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.