Finding the Fourth Proportional to 27,926,310.84, 38,538,663.63 and 15,368,811.31
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Solution
The fourth proportional to 27,926,310.84, 38,538,663.63 and 15,368,811.31 is: 21,209,154.79
Step by Step Solution
- Step 1: Write the proportion equation
27,926,310.84 : 38,538,663.63 = 15,368,811.31 : x - Step 2: Convert to fraction form
27,926,310.84/38,538,663.63 = 15,368,811.31/x - Step 3: Cross multiply
27,926,310.84x = 38,538,663.63 × 15,368,811.31 - Step 4: Simplify right side
27,926,310.84x = 592,293,449,237,914.25 - Step 5: Solve for x
x = 592,293,449,237,914.25/27,926,310.84 - Step 6: Final answer
x = 21,209,154.79
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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.