Finding the Fourth Proportional to 47,258,591.15, 70,862,298.81 and 21,320,579.99
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Solution
The fourth proportional to 47,258,591.15, 70,862,298.81 and 21,320,579.99 is: 31,969,326.07
Step by Step Solution
- Step 1: Write the proportion equation
47,258,591.15 : 70,862,298.81 = 21,320,579.99 : x - Step 2: Convert to fraction form
47,258,591.15/70,862,298.81 = 21,320,579.99/x - Step 3: Cross multiply
47,258,591.15x = 70,862,298.81 × 21,320,579.99 - Step 4: Simplify right side
47,258,591.15x = 1,510,825,309,699,575.25 - Step 5: Solve for x
x = 1,510,825,309,699,575.25/47,258,591.15 - Step 6: Final answer
x = 31,969,326.07
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.