Finding the Fourth Proportional to 7,653,987.97, 11,480,981.97 and 3,166,263.97
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Solution
The fourth proportional to 7,653,987.97, 11,480,981.97 and 3,166,263.97 is: 4,749,395.96
Step by Step Solution
- Step 1: Write the proportion equation
7,653,987.97 : 11,480,981.97 = 3,166,263.97 : x - Step 2: Convert to fraction form
7,653,987.97/11,480,981.97 = 3,166,263.97/x - Step 3: Cross multiply
7,653,987.97x = 11,480,981.97 × 3,166,263.97 - Step 4: Simplify right side
7,653,987.97x = 36,351,819,537,479.40 - Step 5: Solve for x
x = 36,351,819,537,479.40/7,653,987.97 - Step 6: Final answer
x = 4,749,395.96
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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.