Finding the Fourth Proportional to 19,948,606.09, 29,879,606.53 and 12,248,878.93
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Solution
The fourth proportional to 19,948,606.09, 29,879,606.53 and 12,248,878.93 is: 18,346,729.65
Step by Step Solution
- Step 1: Write the proportion equation
19,948,606.09 : 29,879,606.53 = 12,248,878.93 : x - Step 2: Convert to fraction form
19,948,606.09/29,879,606.53 = 12,248,878.93/x - Step 3: Cross multiply
19,948,606.09x = 29,879,606.53 × 12,248,878.93 - Step 4: Simplify right side
19,948,606.09x = 365,991,682,802,619.50 - Step 5: Solve for x
x = 365,991,682,802,619.50/19,948,606.09 - Step 6: Final answer
x = 18,346,729.65
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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.