Finding the Fourth Proportional to 8,223,424.84, 11,348,460.64 and 4,502,193.76
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Solution
The fourth proportional to 8,223,424.84, 11,348,460.64 and 4,502,193.76 is: 6,213,100.95
Step by Step Solution
- Step 1: Write the proportion equation
8,223,424.84 : 11,348,460.64 = 4,502,193.76 : x - Step 2: Convert to fraction form
8,223,424.84/11,348,460.64 = 4,502,193.76/x - Step 3: Cross multiply
8,223,424.84x = 11,348,460.64 × 4,502,193.76 - Step 4: Simplify right side
8,223,424.84x = 51,092,968,679,013.61 - Step 5: Solve for x
x = 51,092,968,679,013.61/8,223,424.84 - Step 6: Final answer
x = 6,213,100.95
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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.