Finding the Fourth Proportional to 10,138,988, 15,209,181.76 and 2,950,581.44
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Solution
The fourth proportional to 10,138,988, 15,209,181.76 and 2,950,581.44 is: 4,426,075.80
Step by Step Solution
- Step 1: Write the proportion equation
10,138,988 : 15,209,181.76 = 2,950,581.44 : x - Step 2: Convert to fraction form
10,138,988/15,209,181.76 = 2,950,581.44/x - Step 3: Cross multiply
10,138,988x = 15,209,181.76 × 2,950,581.44 - Step 4: Simplify right side
10,138,988x = 44,875,929,418,642.53 - Step 5: Solve for x
x = 44,875,929,418,642.53/10,138,988 - Step 6: Final answer
x = 4,426,075.80
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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.