Finding the Fourth Proportional to 39,580,511.33, 54,621,068.99 and 22,176,981.02
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Solution
The fourth proportional to 39,580,511.33, 54,621,068.99 and 22,176,981.02 is: 30,604,213.27
Step by Step Solution
- Step 1: Write the proportion equation
39,580,511.33 : 54,621,068.99 = 22,176,981.02 : x - Step 2: Convert to fraction form
39,580,511.33/54,621,068.99 = 22,176,981.02/x - Step 3: Cross multiply
39,580,511.33x = 54,621,068.99 × 22,176,981.02 - Step 4: Simplify right side
39,580,511.33x = 1,211,330,409,899,350.25 - Step 5: Solve for x
x = 1,211,330,409,899,350.25/39,580,511.33 - Step 6: Final answer
x = 30,604,213.27
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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.