Finding the Fourth Proportional to 40,124,057.68, 55,388,148.74 and 27,088,972.30
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Solution
The fourth proportional to 40,124,057.68, 55,388,148.74 and 27,088,972.30 is: 37,394,224.66
Step by Step Solution
- Step 1: Write the proportion equation
40,124,057.68 : 55,388,148.74 = 27,088,972.30 : x - Step 2: Convert to fraction form
40,124,057.68/55,388,148.74 = 27,088,972.30/x - Step 3: Cross multiply
40,124,057.68x = 55,388,148.74 × 27,088,972.30 - Step 4: Simplify right side
40,124,057.68x = 1,500,408,026,966,140 - Step 5: Solve for x
x = 1,500,408,026,966,140/40,124,057.68 - Step 6: Final answer
x = 37,394,224.66
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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.