Finding the Fourth Proportional to 11,791,126.80, 16,272,072.72 and 6,634,671.12
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Solution
The fourth proportional to 11,791,126.80, 16,272,072.72 and 6,634,671.12 is: 9,156,024.93
Step by Step Solution
- Step 1: Write the proportion equation
11,791,126.80 : 16,272,072.72 = 6,634,671.12 : x - Step 2: Convert to fraction form
11,791,126.80/16,272,072.72 = 6,634,671.12/x - Step 3: Cross multiply
11,791,126.80x = 16,272,072.72 × 6,634,671.12 - Step 4: Simplify right side
11,791,126.80x = 107,959,850,937,923.86 - Step 5: Solve for x
x = 107,959,850,937,923.86/11,791,126.80 - Step 6: Final answer
x = 9,156,024.93
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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.