Finding the Fourth Proportional to 19,288,601.69, 26,618,234.99 and 11,028,819.08
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Solution
The fourth proportional to 19,288,601.69, 26,618,234.99 and 11,028,819.08 is: 15,219,750.12
Step by Step Solution
- Step 1: Write the proportion equation
19,288,601.69 : 26,618,234.99 = 11,028,819.08 : x - Step 2: Convert to fraction form
19,288,601.69/26,618,234.99 = 11,028,819.08/x - Step 3: Cross multiply
19,288,601.69x = 26,618,234.99 × 11,028,819.08 - Step 4: Simplify right side
19,288,601.69x = 293,567,697,878,491.50 - Step 5: Solve for x
x = 293,567,697,878,491.50/19,288,601.69 - Step 6: Final answer
x = 15,219,750.12
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.