Finding the Fourth Proportional to 8,501,963.68, 11,732,123.70 and 4,781,351.02
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Solution
The fourth proportional to 8,501,963.68, 11,732,123.70 and 4,781,351.02 is: 6,597,934.75
Step by Step Solution
- Step 1: Write the proportion equation
8,501,963.68 : 11,732,123.70 = 4,781,351.02 : x - Step 2: Convert to fraction form
8,501,963.68/11,732,123.70 = 4,781,351.02/x - Step 3: Cross multiply
8,501,963.68x = 11,732,123.70 × 4,781,351.02 - Step 4: Simplify right side
8,501,963.68x = 56,095,401,619,761.16 - Step 5: Solve for x
x = 56,095,401,619,761.16/8,501,963.68 - Step 6: Final answer
x = 6,597,934.75
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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.