Finding the Fourth Proportional to 14,488,537.68, 19,993,215.12 and 7,962,026.70
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Solution
The fourth proportional to 14,488,537.68, 19,993,215.12 and 7,962,026.70 is: 10,987,065.51
Step by Step Solution
- Step 1: Write the proportion equation
14,488,537.68 : 19,993,215.12 = 7,962,026.70 : x - Step 2: Convert to fraction form
14,488,537.68/19,993,215.12 = 7,962,026.70/x - Step 3: Cross multiply
14,488,537.68x = 19,993,215.12 × 7,962,026.70 - Step 4: Simplify right side
14,488,537.68x = 159,186,512,604,283.72 - Step 5: Solve for x
x = 159,186,512,604,283.72/14,488,537.68 - Step 6: Final answer
x = 10,987,065.51
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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.