Finding the Fourth Proportional to 9,878,408.46, 14,817,612.69 and 6,511,828.14
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Solution
The fourth proportional to 9,878,408.46, 14,817,612.69 and 6,511,828.14 is: 9,767,742.21
Step by Step Solution
- Step 1: Write the proportion equation
9,878,408.46 : 14,817,612.69 = 6,511,828.14 : x - Step 2: Convert to fraction form
9,878,408.46/14,817,612.69 = 6,511,828.14/x - Step 3: Cross multiply
9,878,408.46x = 14,817,612.69 × 6,511,828.14 - Step 4: Simplify right side
9,878,408.46x = 96,489,747,282,363.09 - Step 5: Solve for x
x = 96,489,747,282,363.09/9,878,408.46 - Step 6: Final answer
x = 9,767,742.21
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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.