Finding the Fourth Proportional to 30,872,327.29, 46,246,749.86 and 18,569,497.70
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Solution
The fourth proportional to 30,872,327.29, 46,246,749.86 and 18,569,497.70 is: 27,817,109.71
Step by Step Solution
- Step 1: Write the proportion equation
30,872,327.29 : 46,246,749.86 = 18,569,497.70 : x - Step 2: Convert to fraction form
30,872,327.29/46,246,749.86 = 18,569,497.70/x - Step 3: Cross multiply
30,872,327.29x = 46,246,749.86 × 18,569,497.70 - Step 4: Simplify right side
30,872,327.29x = 858,778,915,059,647.88 - Step 5: Solve for x
x = 858,778,915,059,647.88/30,872,327.29 - Step 6: Final answer
x = 27,817,109.71
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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.