Finding the Fourth Proportional to 11,529,895.41, 15,911,259.21 and 6,302,926.53
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Solution
The fourth proportional to 11,529,895.41, 15,911,259.21 and 6,302,926.53 is: 8,698,040.55
Step by Step Solution
- Step 1: Write the proportion equation
11,529,895.41 : 15,911,259.21 = 6,302,926.53 : x - Step 2: Convert to fraction form
11,529,895.41/15,911,259.21 = 6,302,926.53/x - Step 3: Cross multiply
11,529,895.41x = 15,911,259.21 × 6,302,926.53 - Step 4: Simplify right side
11,529,895.41x = 100,287,497,800,415.84 - Step 5: Solve for x
x = 100,287,497,800,415.84/11,529,895.41 - Step 6: Final answer
x = 8,698,040.55
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1.5x scale
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.