Finding the Fourth Proportional to 14,960,132.21, 20,645,907.63 and 8,254,432.08
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Solution
The fourth proportional to 14,960,132.21, 20,645,907.63 and 8,254,432.08 is: 11,391,626.74
Step by Step Solution
- Step 1: Write the proportion equation
14,960,132.21 : 20,645,907.63 = 8,254,432.08 : x - Step 2: Convert to fraction form
14,960,132.21/20,645,907.63 = 8,254,432.08/x - Step 3: Cross multiply
14,960,132.21x = 20,645,907.63 × 8,254,432.08 - Step 4: Simplify right side
14,960,132.21x = 170,420,242,117,287.06 - Step 5: Solve for x
x = 170,420,242,117,287.06/14,960,132.21 - Step 6: Final answer
x = 11,391,626.74
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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.