Finding the Fourth Proportional to 40,971,687.71, 56,539,246.59 and 22,387,465.87
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Solution
The fourth proportional to 40,971,687.71, 56,539,246.59 and 22,387,465.87 is: 30,893,783.59
Step by Step Solution
- Step 1: Write the proportion equation
40,971,687.71 : 56,539,246.59 = 22,387,465.87 : x - Step 2: Convert to fraction form
40,971,687.71/56,539,246.59 = 22,387,465.87/x - Step 3: Cross multiply
40,971,687.71x = 56,539,246.59 × 22,387,465.87 - Step 4: Simplify right side
40,971,687.71x = 1,265,770,453,207,790.75 - Step 5: Solve for x
x = 1,265,770,453,207,790.75/40,971,687.71 - Step 6: Final answer
x = 30,893,783.59
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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.