Finding the Fourth Proportional to 10,369,899.80, 15,554,849.70 and 4,386,267.80
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Solution
The fourth proportional to 10,369,899.80, 15,554,849.70 and 4,386,267.80 is: 6,579,401.70
Step by Step Solution
- Step 1: Write the proportion equation
10,369,899.80 : 15,554,849.70 = 4,386,267.80 : x - Step 2: Convert to fraction form
10,369,899.80/15,554,849.70 = 4,386,267.80/x - Step 3: Cross multiply
10,369,899.80x = 15,554,849.70 × 4,386,267.80 - Step 4: Simplify right side
10,369,899.80x = 68,227,736,372,949.66 - Step 5: Solve for x
x = 68,227,736,372,949.66/10,369,899.80 - Step 6: Final answer
x = 6,579,401.70
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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.