Finding the Fourth Proportional to 8,908,678.08, 12,293,985.60 and 4,834,297.08
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Solution
The fourth proportional to 8,908,678.08, 12,293,985.60 and 4,834,297.08 is: 6,671,335.32
Step by Step Solution
- Step 1: Write the proportion equation
8,908,678.08 : 12,293,985.60 = 4,834,297.08 : x - Step 2: Convert to fraction form
8,908,678.08/12,293,985.60 = 4,834,297.08/x - Step 3: Cross multiply
8,908,678.08x = 12,293,985.60 × 4,834,297.08 - Step 4: Simplify right side
8,908,678.08x = 59,432,778,687,642.05 - Step 5: Solve for x
x = 59,432,778,687,642.05/8,908,678.08 - Step 6: Final answer
x = 6,671,335.32
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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.