Finding the Fourth Proportional to 13,182,642.80, 19,773,964.20 and 4,663,257.20
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Solution
The fourth proportional to 13,182,642.80, 19,773,964.20 and 4,663,257.20 is: 6,994,885.80
Step by Step Solution
- Step 1: Write the proportion equation
13,182,642.80 : 19,773,964.20 = 4,663,257.20 : x - Step 2: Convert to fraction form
13,182,642.80/19,773,964.20 = 4,663,257.20/x - Step 3: Cross multiply
13,182,642.80x = 19,773,964.20 × 4,663,257.20 - Step 4: Simplify right side
13,182,642.80x = 92,211,080,928,192.23 - Step 5: Solve for x
x = 92,211,080,928,192.23/13,182,642.80 - Step 6: Final answer
x = 6,994,885.80
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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.