Finding the Fourth Proportional to 19,269,648.84, 28,904,495.13 and 6,489,083.28
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Solution
The fourth proportional to 19,269,648.84, 28,904,495.13 and 6,489,083.28 is: 9,733,632.28
Step by Step Solution
- Step 1: Write the proportion equation
19,269,648.84 : 28,904,495.13 = 6,489,083.28 : x - Step 2: Convert to fraction form
19,269,648.84/28,904,495.13 = 6,489,083.28/x - Step 3: Cross multiply
19,269,648.84x = 28,904,495.13 × 6,489,083.28 - Step 4: Simplify right side
19,269,648.84x = 187,563,676,064,924.44 - Step 5: Solve for x
x = 187,563,676,064,924.44/19,269,648.84 - Step 6: Final answer
x = 9,733,632.28
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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.