Finding the Fourth Proportional to 14,656,389.60, 21,992,457.60 and 6,137,587.20
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Solution
The fourth proportional to 14,656,389.60, 21,992,457.60 and 6,137,587.20 is: 9,209,677.82
Step by Step Solution
- Step 1: Write the proportion equation
14,656,389.60 : 21,992,457.60 = 6,137,587.20 : x - Step 2: Convert to fraction form
14,656,389.60/21,992,457.60 = 6,137,587.20/x - Step 3: Cross multiply
14,656,389.60x = 21,992,457.60 × 6,137,587.20 - Step 4: Simplify right side
14,656,389.60x = 134,980,626,262,302.73 - Step 5: Solve for x
x = 134,980,626,262,302.73/14,656,389.60 - Step 6: Final answer
x = 9,209,677.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.