Finding the Fourth Proportional to 14,696,395.95, 20,281,718.64 and 8,170,134.47
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Solution
The fourth proportional to 14,696,395.95, 20,281,718.64 and 8,170,134.47 is: 11,275,170.40
Step by Step Solution
- Step 1: Write the proportion equation
14,696,395.95 : 20,281,718.64 = 8,170,134.47 : x - Step 2: Convert to fraction form
14,696,395.95/20,281,718.64 = 8,170,134.47/x - Step 3: Cross multiply
14,696,395.95x = 20,281,718.64 × 8,170,134.47 - Step 4: Simplify right side
14,696,395.95x = 165,704,368,644,919.03 - Step 5: Solve for x
x = 165,704,368,644,919.03/14,696,395.95 - Step 6: Final answer
x = 11,275,170.40
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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.