Finding the Fourth Proportional to 31,577,316.08, 47,365,946.46 and 11,885,121.92
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Solution
The fourth proportional to 31,577,316.08, 47,365,946.46 and 11,885,121.92 is: 17,827,672.47
Step by Step Solution
- Step 1: Write the proportion equation
31,577,316.08 : 47,365,946.46 = 11,885,121.92 : x - Step 2: Convert to fraction form
31,577,316.08/47,365,946.46 = 11,885,121.92/x - Step 3: Cross multiply
31,577,316.08x = 47,365,946.46 × 11,885,121.92 - Step 4: Simplify right side
31,577,316.08x = 562,950,048,533,292.38 - Step 5: Solve for x
x = 562,950,048,533,292.38/31,577,316.08 - Step 6: Final answer
x = 17,827,672.47
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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.