Finding the Fourth Proportional to 10,748,423.62, 16,106,692.19 and 7,894,585.45
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Solution
The fourth proportional to 10,748,423.62, 16,106,692.19 and 7,894,585.45 is: 11,830,168.06
Step by Step Solution
- Step 1: Write the proportion equation
10,748,423.62 : 16,106,692.19 = 7,894,585.45 : x - Step 2: Convert to fraction form
10,748,423.62/16,106,692.19 = 7,894,585.45/x - Step 3: Cross multiply
10,748,423.62x = 16,106,692.19 × 7,894,585.45 - Step 4: Simplify right side
10,748,423.62x = 127,155,657,700,862.92 - Step 5: Solve for x
x = 127,155,657,700,862.92/10,748,423.62 - Step 6: Final answer
x = 11,830,168.06
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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.