Finding the Fourth Proportional to 11,074,237.70, 16,611,356.55 and 8,386,852.10
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Solution
The fourth proportional to 11,074,237.70, 16,611,356.55 and 8,386,852.10 is: 12,580,278.15
Step by Step Solution
- Step 1: Write the proportion equation
11,074,237.70 : 16,611,356.55 = 8,386,852.10 : x - Step 2: Convert to fraction form
11,074,237.70/16,611,356.55 = 8,386,852.10/x - Step 3: Cross multiply
11,074,237.70x = 16,611,356.55 × 8,386,852.10 - Step 4: Simplify right side
11,074,237.70x = 139,316,990,565,216.25 - Step 5: Solve for x
x = 139,316,990,565,216.25/11,074,237.70 - Step 6: Final answer
x = 12,580,278.15
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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.