Finding the Fourth Proportional to 13,163,643.35, 19,748,158.12 and 4,526,622.07
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Solution
The fourth proportional to 13,163,643.35, 19,748,158.12 and 4,526,622.07 is: 6,790,859.19
Step by Step Solution
- Step 1: Write the proportion equation
13,163,643.35 : 19,748,158.12 = 4,526,622.07 : x - Step 2: Convert to fraction form
13,163,643.35/19,748,158.12 = 4,526,622.07/x - Step 3: Cross multiply
13,163,643.35x = 19,748,158.12 × 4,526,622.07 - Step 4: Simplify right side
13,163,643.35x = 89,392,448,387,841.72 - Step 5: Solve for x
x = 89,392,448,387,841.72/13,163,643.35 - Step 6: Final answer
x = 6,790,859.19
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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.