Finding the Fourth Proportional to 40,836,306.31, 56,290,289.81 and 27,760,864.79
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Solution
The fourth proportional to 40,836,306.31, 56,290,289.81 and 27,760,864.79 is: 38,266,612.87
Step by Step Solution
- Step 1: Write the proportion equation
40,836,306.31 : 56,290,289.81 = 27,760,864.79 : x - Step 2: Convert to fraction form
40,836,306.31/56,290,289.81 = 27,760,864.79/x - Step 3: Cross multiply
40,836,306.31x = 56,290,289.81 × 27,760,864.79 - Step 4: Simplify right side
40,836,306.31x = 1,562,667,124,407,246.25 - Step 5: Solve for x
x = 1,562,667,124,407,246.25/40,836,306.31 - Step 6: Final answer
x = 38,266,612.87
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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.