Finding the Fourth Proportional to 28,547,565.56, 39,394,585.02 and 15,494,546.24
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Solution
The fourth proportional to 28,547,565.56, 39,394,585.02 and 15,494,546.24 is: 21,381,900.95
Step by Step Solution
- Step 1: Write the proportion equation
28,547,565.56 : 39,394,585.02 = 15,494,546.24 : x - Step 2: Convert to fraction form
28,547,565.56/39,394,585.02 = 15,494,546.24/x - Step 3: Cross multiply
28,547,565.56x = 39,394,585.02 × 15,494,546.24 - Step 4: Simplify right side
28,547,565.56x = 610,401,219,198,001.38 - Step 5: Solve for x
x = 610,401,219,198,001.38/28,547,565.56 - Step 6: Final answer
x = 21,381,900.95
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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.