Finding the Fourth Proportional to 16,938,081.68, 25,392,839.58 and 7,346,235.62
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Solution
The fourth proportional to 16,938,081.68, 25,392,839.58 and 7,346,235.62 is: 11,013,158.77
Step by Step Solution
- Step 1: Write the proportion equation
16,938,081.68 : 25,392,839.58 = 7,346,235.62 : x - Step 2: Convert to fraction form
16,938,081.68/25,392,839.58 = 7,346,235.62/x - Step 3: Cross multiply
16,938,081.68x = 25,392,839.58 × 7,346,235.62 - Step 4: Simplify right side
16,938,081.68x = 186,541,782,679,023.91 - Step 5: Solve for x
x = 186,541,782,679,023.91/16,938,081.68 - Step 6: Final answer
x = 11,013,158.77
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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.