Finding the Fourth Proportional to 42,107,294.56, 58,117,273.68 and 26,657,975.20
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Solution
The fourth proportional to 42,107,294.56, 58,117,273.68 and 26,657,975.20 is: 36,793,834.81
Step by Step Solution
- Step 1: Write the proportion equation
42,107,294.56 : 58,117,273.68 = 26,657,975.20 : x - Step 2: Convert to fraction form
42,107,294.56/58,117,273.68 = 26,657,975.20/x - Step 3: Cross multiply
42,107,294.56x = 58,117,273.68 × 26,657,975.20 - Step 4: Simplify right side
42,107,294.56x = 1,549,288,840,453,052.75 - Step 5: Solve for x
x = 1,549,288,840,453,052.75/42,107,294.56 - Step 6: Final answer
x = 36,793,834.81
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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.