Finding the Fourth Proportional to 14,292,689.63, 19,724,036.47 and 7,766,318.92
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Solution
The fourth proportional to 14,292,689.63, 19,724,036.47 and 7,766,318.92 is: 10,717,587.91
Step by Step Solution
- Step 1: Write the proportion equation
14,292,689.63 : 19,724,036.47 = 7,766,318.92 : x - Step 2: Convert to fraction form
14,292,689.63/19,724,036.47 = 7,766,318.92/x - Step 3: Cross multiply
14,292,689.63x = 19,724,036.47 × 7,766,318.92 - Step 4: Simplify right side
14,292,689.63x = 153,183,157,599,933.34 - Step 5: Solve for x
x = 153,183,157,599,933.34/14,292,689.63 - Step 6: Final answer
x = 10,717,587.91
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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.