Finding the Fourth Proportional to 13,279,511.84, 19,919,973.84 and 4,182,320.80
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Solution
The fourth proportional to 13,279,511.84, 19,919,973.84 and 4,182,320.80 is: 6,273,703.58
Step by Step Solution
- Step 1: Write the proportion equation
13,279,511.84 : 19,919,973.84 = 4,182,320.80 : x - Step 2: Convert to fraction form
13,279,511.84/19,919,973.84 = 4,182,320.80/x - Step 3: Cross multiply
13,279,511.84x = 19,919,973.84 × 4,182,320.80 - Step 4: Simplify right side
13,279,511.84x = 83,311,720,926,487.88 - Step 5: Solve for x
x = 83,311,720,926,487.88/13,279,511.84 - Step 6: Final answer
x = 6,273,703.58
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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.