Finding the Fourth Proportional to 15,186,438.63, 22,781,427.39 and 5,335,474.59
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Solution
The fourth proportional to 15,186,438.63, 22,781,427.39 and 5,335,474.59 is: 8,003,833.55
Step by Step Solution
- Step 1: Write the proportion equation
15,186,438.63 : 22,781,427.39 = 5,335,474.59 : x - Step 2: Convert to fraction form
15,186,438.63/22,781,427.39 = 5,335,474.59/x - Step 3: Cross multiply
15,186,438.63x = 22,781,427.39 × 5,335,474.59 - Step 4: Simplify right side
15,186,438.63x = 121,549,726,963,275.02 - Step 5: Solve for x
x = 121,549,726,963,275.02/15,186,438.63 - Step 6: Final answer
x = 8,003,833.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.