Finding the Fourth Proportional to 43,348,965.12, 64,977,930.54 and 14,585,114.66
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Solution
The fourth proportional to 43,348,965.12, 64,977,930.54 and 14,585,114.66 is: 21,862,357.37
Step by Step Solution
- Step 1: Write the proportion equation
43,348,965.12 : 64,977,930.54 = 14,585,114.66 : x - Step 2: Convert to fraction form
43,348,965.12/64,977,930.54 = 14,585,114.66/x - Step 3: Cross multiply
43,348,965.12x = 64,977,930.54 × 14,585,114.66 - Step 4: Simplify right side
43,348,965.12x = 947,710,566,970,526 - Step 5: Solve for x
x = 947,710,566,970,526/43,348,965.12 - Step 6: Final answer
x = 21,862,357.37
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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.