Finding the Fourth Proportional to 11,346,857.84, 15,658,026.08 and 6,453,270.38
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Solution
The fourth proportional to 11,346,857.84, 15,658,026.08 and 6,453,270.38 is: 8,905,150.42
Step by Step Solution
- Step 1: Write the proportion equation
11,346,857.84 : 15,658,026.08 = 6,453,270.38 : x - Step 2: Convert to fraction form
11,346,857.84/15,658,026.08 = 6,453,270.38/x - Step 3: Cross multiply
11,346,857.84x = 15,658,026.08 × 6,453,270.38 - Step 4: Simplify right side
11,346,857.84x = 101,045,475,911,331.52 - Step 5: Solve for x
x = 101,045,475,911,331.52/11,346,857.84 - Step 6: Final answer
x = 8,905,150.42
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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.