Finding the Fourth Proportional to 10,387,582.79, 15,652,277.02 and 8,535,806.15
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Solution
The fourth proportional to 10,387,582.79, 15,652,277.02 and 8,535,806.15 is: 12,861,972.33
Step by Step Solution
- Step 1: Write the proportion equation
10,387,582.79 : 15,652,277.02 = 8,535,806.15 : x - Step 2: Convert to fraction form
10,387,582.79/15,652,277.02 = 8,535,806.15/x - Step 3: Cross multiply
10,387,582.79x = 15,652,277.02 × 8,535,806.15 - Step 4: Simplify right side
10,387,582.79x = 133,604,802,381,228.05 - Step 5: Solve for x
x = 133,604,802,381,228.05/10,387,582.79 - Step 6: Final answer
x = 12,861,972.33
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.