Finding the Fourth Proportional to 8,249,397.48, 11,385,536.58 and 4,811,638.32
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Solution
The fourth proportional to 8,249,397.48, 11,385,536.58 and 4,811,638.32 is: 6,640,858.83
Step by Step Solution
- Step 1: Write the proportion equation
8,249,397.48 : 11,385,536.58 = 4,811,638.32 : x - Step 2: Convert to fraction form
8,249,397.48/11,385,536.58 = 4,811,638.32/x - Step 3: Cross multiply
8,249,397.48x = 11,385,536.58 × 4,811,638.32 - Step 4: Simplify right side
8,249,397.48x = 54,783,084,102,089.75 - Step 5: Solve for x
x = 54,783,084,102,089.75/8,249,397.48 - Step 6: Final answer
x = 6,640,858.83
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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.