Finding the Fourth Proportional to 17,877,315.81, 26,816,064.11 and 5,580,248.32
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Solution
The fourth proportional to 17,877,315.81, 26,816,064.11 and 5,580,248.32 is: 8,370,400.70
Step by Step Solution
- Step 1: Write the proportion equation
17,877,315.81 : 26,816,064.11 = 5,580,248.32 : x - Step 2: Convert to fraction form
17,877,315.81/26,816,064.11 = 5,580,248.32/x - Step 3: Cross multiply
17,877,315.81x = 26,816,064.11 × 5,580,248.32 - Step 4: Simplify right side
17,877,315.81x = 149,640,296,698,839.81 - Step 5: Solve for x
x = 149,640,296,698,839.81/17,877,315.81 - Step 6: Final answer
x = 8,370,400.70
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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.