Finding the Fourth Proportional to 19,292,717.81, 26,622,972.81 and 11,452,565.18
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Solution
The fourth proportional to 19,292,717.81, 26,622,972.81 and 11,452,565.18 is: 15,803,959.52
Step by Step Solution
- Step 1: Write the proportion equation
19,292,717.81 : 26,622,972.81 = 11,452,565.18 : x - Step 2: Convert to fraction form
19,292,717.81/26,622,972.81 = 11,452,565.18/x - Step 3: Cross multiply
19,292,717.81x = 26,622,972.81 × 11,452,565.18 - Step 4: Simplify right side
19,292,717.81x = 304,901,331,391,892.75 - Step 5: Solve for x
x = 304,901,331,391,892.75/19,292,717.81 - Step 6: Final answer
x = 15,803,959.52
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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.