Finding the Fourth Proportional to 18,842,901.59, 28,240,276.49 and 15,201,348.75
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Solution
The fourth proportional to 18,842,901.59, 28,240,276.49 and 15,201,348.75 is: 22,782,600.10
Step by Step Solution
- Step 1: Write the proportion equation
18,842,901.59 : 28,240,276.49 = 15,201,348.75 : x - Step 2: Convert to fraction form
18,842,901.59/28,240,276.49 = 15,201,348.75/x - Step 3: Cross multiply
18,842,901.59x = 28,240,276.49 × 15,201,348.75 - Step 4: Simplify right side
18,842,901.59x = 429,290,291,720,915.88 - Step 5: Solve for x
x = 429,290,291,720,915.88/18,842,901.59 - Step 6: Final answer
x = 22,782,600.10
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.