Finding the Fourth Proportional to 42,025,958.91, 58,014,420.07 and 27,148,536.98
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Solution
The fourth proportional to 42,025,958.91, 58,014,420.07 and 27,148,536.98 is: 37,476,994.45
Step by Step Solution
- Step 1: Write the proportion equation
42,025,958.91 : 58,014,420.07 = 27,148,536.98 : x - Step 2: Convert to fraction form
42,025,958.91/58,014,420.07 = 27,148,536.98/x - Step 3: Cross multiply
42,025,958.91x = 58,014,420.07 × 27,148,536.98 - Step 4: Simplify right side
42,025,958.91x = 1,575,006,628,643,649.25 - Step 5: Solve for x
x = 1,575,006,628,643,649.25/42,025,958.91 - Step 6: Final answer
x = 37,476,994.45
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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.