Finding the Fourth Proportional to 10,656,802.18, 14,706,301.35 and 6,186,772.05
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Solution
The fourth proportional to 10,656,802.18, 14,706,301.35 and 6,186,772.05 is: 8,537,695.70
Step by Step Solution
- Step 1: Write the proportion equation
10,656,802.18 : 14,706,301.35 = 6,186,772.05 : x - Step 2: Convert to fraction form
10,656,802.18/14,706,301.35 = 6,186,772.05/x - Step 3: Cross multiply
10,656,802.18x = 14,706,301.35 × 6,186,772.05 - Step 4: Simplify right side
10,656,802.18x = 90,984,534,120,123.41 - Step 5: Solve for x
x = 90,984,534,120,123.41/10,656,802.18 - Step 6: Final answer
x = 8,537,695.70
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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.