Finding the Fourth Proportional to 14,358,352.24, 19,814,587.69 and 7,832,123.92
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Solution
The fourth proportional to 14,358,352.24, 19,814,587.69 and 7,832,123.92 is: 10,808,364.61
Step by Step Solution
- Step 1: Write the proportion equation
14,358,352.24 : 19,814,587.69 = 7,832,123.92 : x - Step 2: Convert to fraction form
14,358,352.24/19,814,587.69 = 7,832,123.92/x - Step 3: Cross multiply
14,358,352.24x = 19,814,587.69 × 7,832,123.92 - Step 4: Simplify right side
14,358,352.24x = 155,190,306,211,786.56 - Step 5: Solve for x
x = 155,190,306,211,786.56/14,358,352.24 - Step 6: Final answer
x = 10,808,364.61
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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.