Finding the Fourth Proportional to 8,853,315.08, 13,280,448.74 and 2,788,521.68
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Solution
The fourth proportional to 8,853,315.08, 13,280,448.74 and 2,788,521.68 is: 4,182,932.49
Step by Step Solution
- Step 1: Write the proportion equation
8,853,315.08 : 13,280,448.74 = 2,788,521.68 : x - Step 2: Convert to fraction form
8,853,315.08/13,280,448.74 = 2,788,521.68/x - Step 3: Cross multiply
8,853,315.08x = 13,280,448.74 × 2,788,521.68 - Step 4: Simplify right side
8,853,315.08x = 37,032,819,264,819.80 - Step 5: Solve for x
x = 37,032,819,264,819.80/8,853,315.08 - Step 6: Final answer
x = 4,182,932.49
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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.