Finding the Fourth Proportional to 26,121,384.28, 39,096,815.98 and 19,203,032.28
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Solution
The fourth proportional to 26,121,384.28, 39,096,815.98 and 19,203,032.28 is: 28,741,869.54
Step by Step Solution
- Step 1: Write the proportion equation
26,121,384.28 : 39,096,815.98 = 19,203,032.28 : x - Step 2: Convert to fraction form
26,121,384.28/39,096,815.98 = 19,203,032.28/x - Step 3: Cross multiply
26,121,384.28x = 39,096,815.98 × 19,203,032.28 - Step 4: Simplify right side
26,121,384.28x = 750,777,419,309,159.88 - Step 5: Solve for x
x = 750,777,419,309,159.88/26,121,384.28 - Step 6: Final answer
x = 28,741,869.54
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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.