Finding the Fourth Proportional to 19,512,842.07, 26,927,938.68 and 10,811,151.75
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Solution
The fourth proportional to 19,512,842.07, 26,927,938.68 and 10,811,151.75 is: 14,919,509.44
Step by Step Solution
- Step 1: Write the proportion equation
19,512,842.07 : 26,927,938.68 = 10,811,151.75 : x - Step 2: Convert to fraction form
19,512,842.07/26,927,938.68 = 10,811,151.75/x - Step 3: Cross multiply
19,512,842.07x = 26,927,938.68 × 10,811,151.75 - Step 4: Simplify right side
19,512,842.07x = 291,122,031,384,174.69 - Step 5: Solve for x
x = 291,122,031,384,174.69/19,512,842.07 - Step 6: Final answer
x = 14,919,509.44
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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.