Finding the Fourth Proportional to 8,447,802.80, 11,657,897.48 and 4,777,439.99
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Solution
The fourth proportional to 8,447,802.80, 11,657,897.48 and 4,777,439.99 is: 6,592,827.38
Step by Step Solution
- Step 1: Write the proportion equation
8,447,802.80 : 11,657,897.48 = 4,777,439.99 : x - Step 2: Convert to fraction form
8,447,802.80/11,657,897.48 = 4,777,439.99/x - Step 3: Cross multiply
8,447,802.80x = 11,657,897.48 × 4,777,439.99 - Step 4: Simplify right side
8,447,802.80x = 55,694,905,596,385.02 - Step 5: Solve for x
x = 55,694,905,596,385.02/8,447,802.80 - Step 6: Final answer
x = 6,592,827.38
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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.