Finding the Fourth Proportional to 8,763,642.71, 12,091,754.35 and 5,090,376.68
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Solution
The fourth proportional to 8,763,642.71, 12,091,754.35 and 5,090,376.68 is: 7,023,515.95
Step by Step Solution
- Step 1: Write the proportion equation
8,763,642.71 : 12,091,754.35 = 5,090,376.68 : x - Step 2: Convert to fraction form
8,763,642.71/12,091,754.35 = 5,090,376.68/x - Step 3: Cross multiply
8,763,642.71x = 12,091,754.35 × 5,090,376.68 - Step 4: Simplify right side
8,763,642.71x = 61,551,584,363,528.55 - Step 5: Solve for x
x = 61,551,584,363,528.55/8,763,642.71 - Step 6: Final answer
x = 7,023,515.95
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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.