Finding the Fourth Proportional to 11,555,242.71, 15,946,038.87 and 6,398,493.54
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Solution
The fourth proportional to 11,555,242.71, 15,946,038.87 and 6,398,493.54 is: 8,829,812.52
Step by Step Solution
- Step 1: Write the proportion equation
11,555,242.71 : 15,946,038.87 = 6,398,493.54 : x - Step 2: Convert to fraction form
11,555,242.71/15,946,038.87 = 6,398,493.54/x - Step 3: Cross multiply
11,555,242.71x = 15,946,038.87 × 6,398,493.54 - Step 4: Simplify right side
11,555,242.71x = 102,030,626,698,283.89 - Step 5: Solve for x
x = 102,030,626,698,283.89/11,555,242.71 - Step 6: Final answer
x = 8,829,812.52
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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.