Finding the Fourth Proportional to 19,275,723.19, 28,913,684.57 and 6,496,338.61
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Solution
The fourth proportional to 19,275,723.19, 28,913,684.57 and 6,496,338.61 is: 9,744,541.55
Step by Step Solution
- Step 1: Write the proportion equation
19,275,723.19 : 28,913,684.57 = 6,496,338.61 : x - Step 2: Convert to fraction form
19,275,723.19/28,913,684.57 = 6,496,338.61/x - Step 3: Cross multiply
19,275,723.19x = 28,913,684.57 × 6,496,338.61 - Step 4: Simplify right side
19,275,723.19x = 187,833,085,457,473.94 - Step 5: Solve for x
x = 187,833,085,457,473.94/19,275,723.19 - Step 6: Final answer
x = 9,744,541.55
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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.