Finding the Fourth Proportional to 7,463,648.32, 10,303,012.67 and 5,017,677.99
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Solution
The fourth proportional to 7,463,648.32, 10,303,012.67 and 5,017,677.99 is: 6,926,532.13
Step by Step Solution
- Step 1: Write the proportion equation
7,463,648.32 : 10,303,012.67 = 5,017,677.99 : x - Step 2: Convert to fraction form
7,463,648.32/10,303,012.67 = 5,017,677.99/x - Step 3: Cross multiply
7,463,648.32x = 10,303,012.67 × 5,017,677.99 - Step 4: Simplify right side
7,463,648.32x = 51,697,199,904,950.13 - Step 5: Solve for x
x = 51,697,199,904,950.13/7,463,648.32 - Step 6: Final answer
x = 6,926,532.13
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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.