Finding the Fourth Proportional to 12,877,282.80, 19,316,118.60 and 3,292,449.12
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Solution
The fourth proportional to 12,877,282.80, 19,316,118.60 and 3,292,449.12 is: 4,938,723.38
Step by Step Solution
- Step 1: Write the proportion equation
12,877,282.80 : 19,316,118.60 = 3,292,449.12 : x - Step 2: Convert to fraction form
12,877,282.80/19,316,118.60 = 3,292,449.12/x - Step 3: Cross multiply
12,877,282.80x = 19,316,118.60 × 3,292,449.12 - Step 4: Simplify right side
12,877,282.80x = 63,597,337,686,385.64 - Step 5: Solve for x
x = 63,597,337,686,385.64/12,877,282.80 - Step 6: Final answer
x = 4,938,723.38
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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.