Finding the Fourth Proportional to 10,865,741.80, 16,298,612.70 and 2,887,565.80
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Solution
The fourth proportional to 10,865,741.80, 16,298,612.70 and 2,887,565.80 is: 4,331,348.70
Step by Step Solution
- Step 1: Write the proportion equation
10,865,741.80 : 16,298,612.70 = 2,887,565.80 : x - Step 2: Convert to fraction form
10,865,741.80/16,298,612.70 = 2,887,565.80/x - Step 3: Cross multiply
10,865,741.80x = 16,298,612.70 × 2,887,565.80 - Step 4: Simplify right side
10,865,741.80x = 47,063,316,619,965.66 - Step 5: Solve for x
x = 47,063,316,619,965.66/10,865,741.80 - Step 6: Final answer
x = 4,331,348.70
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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.