Finding the Fourth Proportional to 14,438,538.88, 19,925,186.88 and 8,637,562.24
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Solution
The fourth proportional to 14,438,538.88, 19,925,186.88 and 8,637,562.24 is: 11,919,837.82
Step by Step Solution
- Step 1: Write the proportion equation
14,438,538.88 : 19,925,186.88 = 8,637,562.24 : x - Step 2: Convert to fraction form
14,438,538.88/19,925,186.88 = 8,637,562.24/x - Step 3: Cross multiply
14,438,538.88x = 19,925,186.88 × 8,637,562.24 - Step 4: Simplify right side
14,438,538.88x = 172,105,041,819,631.41 - Step 5: Solve for x
x = 172,105,041,819,631.41/14,438,538.88 - Step 6: Final answer
x = 11,919,837.82
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1.5x scale
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.