Finding the Fourth Proportional to 10,926,089.60, 16,391,102.70 and 4,536,987.80
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Solution
The fourth proportional to 10,926,089.60, 16,391,102.70 and 4,536,987.80 is: 6,806,299.02
Step by Step Solution
- Step 1: Write the proportion equation
10,926,089.60 : 16,391,102.70 = 4,536,987.80 : x - Step 2: Convert to fraction form
10,926,089.60/16,391,102.70 = 4,536,987.80/x - Step 3: Cross multiply
10,926,089.60x = 16,391,102.70 × 4,536,987.80 - Step 4: Simplify right side
10,926,089.60x = 74,366,232,978,447.05 - Step 5: Solve for x
x = 74,366,232,978,447.05/10,926,089.60 - Step 6: Final answer
x = 6,806,299.02
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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.