Finding the Fourth Proportional to 8,842,385.18, 12,202,366.54 and 4,974,897.12
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Solution
The fourth proportional to 8,842,385.18, 12,202,366.54 and 4,974,897.12 is: 6,865,287.69
Step by Step Solution
- Step 1: Write the proportion equation
8,842,385.18 : 12,202,366.54 = 4,974,897.12 : x - Step 2: Convert to fraction form
8,842,385.18/12,202,366.54 = 4,974,897.12/x - Step 3: Cross multiply
8,842,385.18x = 12,202,366.54 × 4,974,897.12 - Step 4: Simplify right side
8,842,385.18x = 60,705,518,157,030.36 - Step 5: Solve for x
x = 60,705,518,157,030.36/8,842,385.18 - Step 6: Final answer
x = 6,865,287.69
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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.