Finding the Fourth Proportional to 11,360,541.96, 15,675,437.46 and 6,465,473.01
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Solution
The fourth proportional to 11,360,541.96, 15,675,437.46 and 6,465,473.01 is: 8,921,151.66
Step by Step Solution
- Step 1: Write the proportion equation
11,360,541.96 : 15,675,437.46 = 6,465,473.01 : x - Step 2: Convert to fraction form
11,360,541.96/15,675,437.46 = 6,465,473.01/x - Step 3: Cross multiply
11,360,541.96x = 15,675,437.46 × 6,465,473.01 - Step 4: Simplify right side
11,360,541.96x = 101,349,117,817,572.95 - Step 5: Solve for x
x = 101,349,117,817,572.95/11,360,541.96 - Step 6: Final answer
x = 8,921,151.66
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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.