Finding the Fourth Proportional to 10,201,871.80, 15,267,378.30 and 7,013,225.80
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Solution
The fourth proportional to 10,201,871.80, 15,267,378.30 and 7,013,225.80 is: 10,495,482.94
Step by Step Solution
- Step 1: Write the proportion equation
10,201,871.80 : 15,267,378.30 = 7,013,225.80 : x - Step 2: Convert to fraction form
10,201,871.80/15,267,378.30 = 7,013,225.80/x - Step 3: Cross multiply
10,201,871.80x = 15,267,378.30 × 7,013,225.80 - Step 4: Simplify right side
10,201,871.80x = 107,073,571,391,920.14 - Step 5: Solve for x
x = 107,073,571,391,920.14/10,201,871.80 - Step 6: Final answer
x = 10,495,482.94
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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.