Finding the Fourth Proportional to 8,918,489.08, 12,307,677.06 and 5,051,813.08
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Solution
The fourth proportional to 8,918,489.08, 12,307,677.06 and 5,051,813.08 is: 6,971,593.89
Step by Step Solution
- Step 1: Write the proportion equation
8,918,489.08 : 12,307,677.06 = 5,051,813.08 : x - Step 2: Convert to fraction form
8,918,489.08/12,307,677.06 = 5,051,813.08/x - Step 3: Cross multiply
8,918,489.08x = 12,307,677.06 × 5,051,813.08 - Step 4: Simplify right side
8,918,489.08x = 62,176,083,956,123.95 - Step 5: Solve for x
x = 62,176,083,956,123.95/8,918,489.08 - Step 6: Final answer
x = 6,971,593.89
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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.