Finding the Fourth Proportional to 8,129,177.16, 11,221,420.50 and 6,097,895.88
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Solution
The fourth proportional to 8,129,177.16, 11,221,420.50 and 6,097,895.88 is: 8,417,463.72
Step by Step Solution
- Step 1: Write the proportion equation
8,129,177.16 : 11,221,420.50 = 6,097,895.88 : x - Step 2: Convert to fraction form
8,129,177.16/11,221,420.50 = 6,097,895.88/x - Step 3: Cross multiply
8,129,177.16x = 11,221,420.50 × 6,097,895.88 - Step 4: Simplify right side
8,129,177.16x = 68,427,053,834,697.54 - Step 5: Solve for x
x = 68,427,053,834,697.54/8,129,177.16 - Step 6: Final answer
x = 8,417,463.72
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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.