Finding the Fourth Proportional to 10,368,081.95, 15,552,122.93 and 6,381,240.35
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Solution
The fourth proportional to 10,368,081.95, 15,552,122.93 and 6,381,240.35 is: 9,571,860.53
Step by Step Solution
- Step 1: Write the proportion equation
10,368,081.95 : 15,552,122.93 = 6,381,240.35 : x - Step 2: Convert to fraction form
10,368,081.95/15,552,122.93 = 6,381,240.35/x - Step 3: Cross multiply
10,368,081.95x = 15,552,122.93 × 6,381,240.35 - Step 4: Simplify right side
10,368,081.95x = 99,241,834,369,076.22 - Step 5: Solve for x
x = 99,241,834,369,076.22/10,368,081.95 - Step 6: Final answer
x = 9,571,860.53
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1.5x scale
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.