Finding the Fourth Proportional to 16,071,385.48, 22,178,674.76 and 8,729,362
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Solution
The fourth proportional to 16,071,385.48, 22,178,674.76 and 8,729,362 is: 12,046,607.99
Step by Step Solution
- Step 1: Write the proportion equation
16,071,385.48 : 22,178,674.76 = 8,729,362 : x - Step 2: Convert to fraction form
16,071,385.48/22,178,674.76 = 8,729,362/x - Step 3: Cross multiply
16,071,385.48x = 22,178,674.76 × 8,729,362 - Step 4: Simplify right side
16,071,385.48x = 193,605,680,660,303.12 - Step 5: Solve for x
x = 193,605,680,660,303.12/16,071,385.48 - Step 6: Final answer
x = 12,046,607.99
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1.5x scale
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.