Finding the Fourth Proportional to 12,926,029.61, 19,393,473.55 and 4,412,344.79
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Solution
The fourth proportional to 12,926,029.61, 19,393,473.55 and 4,412,344.79 is: 6,620,029.09
Step by Step Solution
- Step 1: Write the proportion equation
12,926,029.61 : 19,393,473.55 = 4,412,344.79 : x - Step 2: Convert to fraction form
12,926,029.61/19,393,473.55 = 4,412,344.79/x - Step 3: Cross multiply
12,926,029.61x = 19,393,473.55 × 4,412,344.79 - Step 4: Simplify right side
12,926,029.61x = 85,570,692,024,071.28 - Step 5: Solve for x
x = 85,570,692,024,071.28/12,926,029.61 - Step 6: Final answer
x = 6,620,029.09
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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.