Finding the Fourth Proportional to 10,368,071.55, 15,552,107.33 and 7,813,396.35
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Solution
The fourth proportional to 10,368,071.55, 15,552,107.33 and 7,813,396.35 is: 11,720,094.53
Step by Step Solution
- Step 1: Write the proportion equation
10,368,071.55 : 15,552,107.33 = 7,813,396.35 : x - Step 2: Convert to fraction form
10,368,071.55/15,552,107.33 = 7,813,396.35/x - Step 3: Cross multiply
10,368,071.55x = 15,552,107.33 × 7,813,396.35 - Step 4: Simplify right side
10,368,071.55x = 121,514,778,607,963.25 - Step 5: Solve for x
x = 121,514,778,607,963.25/10,368,071.55 - Step 6: Final answer
x = 11,720,094.53
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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.