Finding the Fourth Proportional to 16,911,387.36, 25,366,177.08 and 5,980,819.68
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Solution
The fourth proportional to 16,911,387.36, 25,366,177.08 and 5,980,819.68 is: 8,970,909.83
Step by Step Solution
- Step 1: Write the proportion equation
16,911,387.36 : 25,366,177.08 = 5,980,819.68 : x - Step 2: Convert to fraction form
16,911,387.36/25,366,177.08 = 5,980,819.68/x - Step 3: Cross multiply
16,911,387.36x = 25,366,177.08 × 5,980,819.68 - Step 4: Simplify right side
16,911,387.36x = 151,710,531,086,428.91 - Step 5: Solve for x
x = 151,710,531,086,428.91/16,911,387.36 - Step 6: Final answer
x = 8,970,909.83
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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.