Finding the Fourth Proportional to 11,592,948.02, 15,997,643.76 and 6,435,977.60
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Solution
The fourth proportional to 11,592,948.02, 15,997,643.76 and 6,435,977.60 is: 8,881,302.38
Step by Step Solution
- Step 1: Write the proportion equation
11,592,948.02 : 15,997,643.76 = 6,435,977.60 : x - Step 2: Convert to fraction form
11,592,948.02/15,997,643.76 = 6,435,977.60/x - Step 3: Cross multiply
11,592,948.02x = 15,997,643.76 × 6,435,977.60 - Step 4: Simplify right side
11,592,948.02x = 102,960,476,892,139.77 - Step 5: Solve for x
x = 102,960,476,892,139.77/11,592,948.02 - Step 6: Final answer
x = 8,881,302.38
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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.