Finding the Fourth Proportional to 10,471,537.19, 14,417,827.59 and 8,898,350.72
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Solution
The fourth proportional to 10,471,537.19, 14,417,827.59 and 8,898,350.72 is: 12,251,772.04
Step by Step Solution
- Step 1: Write the proportion equation
10,471,537.19 : 14,417,827.59 = 8,898,350.72 : x - Step 2: Convert to fraction form
10,471,537.19/14,417,827.59 = 8,898,350.72/x - Step 3: Cross multiply
10,471,537.19x = 14,417,827.59 × 8,898,350.72 - Step 4: Simplify right side
10,471,537.19x = 128,294,886,516,312.38 - Step 5: Solve for x
x = 128,294,886,516,312.38/10,471,537.19 - Step 6: Final answer
x = 12,251,772.04
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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.