Finding the Fourth Proportional to 17,838,901.80, 26,758,352.70 and 14,689,621.80
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Solution
The fourth proportional to 17,838,901.80, 26,758,352.70 and 14,689,621.80 is: 22,034,432.70
Step by Step Solution
- Step 1: Write the proportion equation
17,838,901.80 : 26,758,352.70 = 14,689,621.80 : x - Step 2: Convert to fraction form
17,838,901.80/26,758,352.70 = 14,689,621.80/x - Step 3: Cross multiply
17,838,901.80x = 26,758,352.70 × 14,689,621.80 - Step 4: Simplify right side
17,838,901.80x = 393,070,081,154,008.88 - Step 5: Solve for x
x = 393,070,081,154,008.88/17,838,901.80 - Step 6: Final answer
x = 22,034,432.70
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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.