Finding the Fourth Proportional to 13,129,313.58, 19,693,691.97 and 4,376,225.04
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Solution
The fourth proportional to 13,129,313.58, 19,693,691.97 and 4,376,225.04 is: 6,564,244.76
Step by Step Solution
- Step 1: Write the proportion equation
13,129,313.58 : 19,693,691.97 = 4,376,225.04 : x - Step 2: Convert to fraction form
13,129,313.58/19,693,691.97 = 4,376,225.04/x - Step 3: Cross multiply
13,129,313.58x = 19,693,691.97 × 4,376,225.04 - Step 4: Simplify right side
13,129,313.58x = 86,184,027,929,160.92 - Step 5: Solve for x
x = 86,184,027,929,160.92/13,129,313.58 - Step 6: Final answer
x = 6,564,244.76
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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.