Finding the Fourth Proportional to 18,480,898.80, 27,723,248.64 and 6,976,056.60
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Solution
The fourth proportional to 18,480,898.80, 27,723,248.64 and 6,976,056.60 is: 10,464,802.27
Step by Step Solution
- Step 1: Write the proportion equation
18,480,898.80 : 27,723,248.64 = 6,976,056.60 : x - Step 2: Convert to fraction form
18,480,898.80/27,723,248.64 = 6,976,056.60/x - Step 3: Cross multiply
18,480,898.80x = 27,723,248.64 × 6,976,056.60 - Step 4: Simplify right side
18,480,898.80x = 193,398,951,648,513.03 - Step 5: Solve for x
x = 193,398,951,648,513.03/18,480,898.80 - Step 6: Final answer
x = 10,464,802.27
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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.