Finding the Fourth Proportional to 27,228,681.05, 37,575,580.66 and 15,005,538.05
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Solution
The fourth proportional to 27,228,681.05, 37,575,580.66 and 15,005,538.05 is: 20,707,642.95
Step by Step Solution
- Step 1: Write the proportion equation
27,228,681.05 : 37,575,580.66 = 15,005,538.05 : x - Step 2: Convert to fraction form
27,228,681.05/37,575,580.66 = 15,005,538.05/x - Step 3: Cross multiply
27,228,681.05x = 37,575,580.66 × 15,005,538.05 - Step 4: Simplify right side
27,228,681.05x = 563,841,805,119,082.38 - Step 5: Solve for x
x = 563,841,805,119,082.38/27,228,681.05 - Step 6: Final answer
x = 20,707,642.95
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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.