Finding the Fourth Proportional to 11,975,220.86, 16,525,811.34 and 6,468,595.74
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Solution
The fourth proportional to 11,975,220.86, 16,525,811.34 and 6,468,595.74 is: 8,926,665.66
Step by Step Solution
- Step 1: Write the proportion equation
11,975,220.86 : 16,525,811.34 = 6,468,595.74 : x - Step 2: Convert to fraction form
11,975,220.86/16,525,811.34 = 6,468,595.74/x - Step 3: Cross multiply
11,975,220.86x = 16,525,811.34 × 6,468,595.74 - Step 4: Simplify right side
11,975,220.86x = 106,898,792,833,967.69 - Step 5: Solve for x
x = 106,898,792,833,967.69/11,975,220.86 - Step 6: Final answer
x = 8,926,665.66
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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.