Finding the Fourth Proportional to 19,062,645.12, 26,306,716.68 and 10,360,815.12
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Solution
The fourth proportional to 19,062,645.12, 26,306,716.68 and 10,360,815.12 is: 14,298,069.67
Step by Step Solution
- Step 1: Write the proportion equation
19,062,645.12 : 26,306,716.68 = 10,360,815.12 : x - Step 2: Convert to fraction form
19,062,645.12/26,306,716.68 = 10,360,815.12/x - Step 3: Cross multiply
19,062,645.12x = 26,306,716.68 × 10,360,815.12 - Step 4: Simplify right side
19,062,645.12x = 272,559,027,935,700.19 - Step 5: Solve for x
x = 272,559,027,935,700.19/19,062,645.12 - Step 6: Final answer
x = 14,298,069.67
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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.