Finding the Fourth Proportional to 14,370,169.11, 19,827,873.04 and 8,257,416.63
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Solution
The fourth proportional to 14,370,169.11, 19,827,873.04 and 8,257,416.63 is: 11,393,533.88
Step by Step Solution
- Step 1: Write the proportion equation
14,370,169.11 : 19,827,873.04 = 8,257,416.63 : x - Step 2: Convert to fraction form
14,370,169.11/19,827,873.04 = 8,257,416.63/x - Step 3: Cross multiply
14,370,169.11x = 19,827,873.04 × 8,257,416.63 - Step 4: Simplify right side
14,370,169.11x = 163,727,008,521,737.34 - Step 5: Solve for x
x = 163,727,008,521,737.34/14,370,169.11 - Step 6: Final answer
x = 11,393,533.88
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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.