Finding the Fourth Proportional to 19,566,854.31, 27,004,750.08 and 11,831,951.99
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Solution
The fourth proportional to 19,566,854.31, 27,004,750.08 and 11,831,951.99 is: 16,329,600.12
Step by Step Solution
- Step 1: Write the proportion equation
19,566,854.31 : 27,004,750.08 = 11,831,951.99 : x - Step 2: Convert to fraction form
19,566,854.31/27,004,750.08 = 11,831,951.99/x - Step 3: Cross multiply
19,566,854.31x = 27,004,750.08 × 11,831,951.99 - Step 4: Simplify right side
19,566,854.31x = 319,518,906,471,650.75 - Step 5: Solve for x
x = 319,518,906,471,650.75/19,566,854.31 - Step 6: Final answer
x = 16,329,600.12
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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.