Finding the Fourth Proportional to 10,368,081.45, 15,552,122.18 and 7,344,772.65
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Solution
The fourth proportional to 10,368,081.45, 15,552,122.18 and 7,344,772.65 is: 11,017,158.98
Step by Step Solution
- Step 1: Write the proportion equation
10,368,081.45 : 15,552,122.18 = 7,344,772.65 : x - Step 2: Convert to fraction form
10,368,081.45/15,552,122.18 = 7,344,772.65/x - Step 3: Cross multiply
10,368,081.45x = 15,552,122.18 × 7,344,772.65 - Step 4: Simplify right side
10,368,081.45x = 114,226,801,600,398.53 - Step 5: Solve for x
x = 114,226,801,600,398.53/10,368,081.45 - Step 6: Final answer
x = 11,017,158.98
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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.