Finding the Fourth Proportional to 15,386,855.70, 23,080,283.55 and 14,678,267.70
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Solution
The fourth proportional to 15,386,855.70, 23,080,283.55 and 14,678,267.70 is: 22,017,401.55
Step by Step Solution
- Step 1: Write the proportion equation
15,386,855.70 : 23,080,283.55 = 14,678,267.70 : x - Step 2: Convert to fraction form
15,386,855.70/23,080,283.55 = 14,678,267.70/x - Step 3: Cross multiply
15,386,855.70x = 23,080,283.55 × 14,678,267.70 - Step 4: Simplify right side
15,386,855.70x = 338,778,580,538,806.31 - Step 5: Solve for x
x = 338,778,580,538,806.31/15,386,855.70 - Step 6: Final answer
x = 22,017,401.55
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1.5x scale
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.