Finding the Fourth Proportional to 14,952,852.99, 20,634,955.74 and 8,077,335.12
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Solution
The fourth proportional to 14,952,852.99, 20,634,955.74 and 8,077,335.12 is: 11,146,732.52
Step by Step Solution
- Step 1: Write the proportion equation
14,952,852.99 : 20,634,955.74 = 8,077,335.12 : x - Step 2: Convert to fraction form
14,952,852.99/20,634,955.74 = 8,077,335.12/x - Step 3: Cross multiply
14,952,852.99x = 20,634,955.74 × 8,077,335.12 - Step 4: Simplify right side
14,952,852.99x = 166,675,452,698,347.56 - Step 5: Solve for x
x = 166,675,452,698,347.56/14,952,852.99 - Step 6: Final answer
x = 11,146,732.52
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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.