Finding the Fourth Proportional to 30,817,585.55, 42,528,956.30 and 17,586,498.99
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Solution
The fourth proportional to 30,817,585.55, 42,528,956.30 and 17,586,498.99 is: 24,269,761.36
Step by Step Solution
- Step 1: Write the proportion equation
30,817,585.55 : 42,528,956.30 = 17,586,498.99 : x - Step 2: Convert to fraction form
30,817,585.55/42,528,956.30 = 17,586,498.99/x - Step 3: Cross multiply
30,817,585.55x = 42,528,956.30 × 17,586,498.99 - Step 4: Simplify right side
30,817,585.55x = 747,935,447,015,704 - Step 5: Solve for x
x = 747,935,447,015,704/30,817,585.55 - Step 6: Final answer
x = 24,269,761.36
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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.