Finding the Fourth Proportional to 37,138,334.28, 51,254,584.02 and 20,840,875.08
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Solution
The fourth proportional to 37,138,334.28, 51,254,584.02 and 20,840,875.08 is: 28,762,474.23
Step by Step Solution
- Step 1: Write the proportion equation
37,138,334.28 : 51,254,584.02 = 20,840,875.08 : x - Step 2: Convert to fraction form
37,138,334.28/51,254,584.02 = 20,840,875.08/x - Step 3: Cross multiply
37,138,334.28x = 51,254,584.02 × 20,840,875.08 - Step 4: Simplify right side
37,138,334.28x = 1,068,190,382,838,184.25 - Step 5: Solve for x
x = 1,068,190,382,838,184.25/37,138,334.28 - Step 6: Final answer
x = 28,762,474.23
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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.