Finding the Fourth Proportional to 11,238,162.57, 15,506,996.06 and 6,825,591.99
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Solution
The fourth proportional to 11,238,162.57, 15,506,996.06 and 6,825,591.99 is: 9,418,303.70
Step by Step Solution
- Step 1: Write the proportion equation
11,238,162.57 : 15,506,996.06 = 6,825,591.99 : x - Step 2: Convert to fraction form
11,238,162.57/15,506,996.06 = 6,825,591.99/x - Step 3: Cross multiply
11,238,162.57x = 15,506,996.06 × 6,825,591.99 - Step 4: Simplify right side
11,238,162.57x = 105,844,428,113,161.55 - Step 5: Solve for x
x = 105,844,428,113,161.55/11,238,162.57 - Step 6: Final answer
x = 9,418,303.70
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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.