Finding the Fourth Proportional to 10,402,272.70, 15,603,457.65 and 3,670,686.70
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Solution
The fourth proportional to 10,402,272.70, 15,603,457.65 and 3,670,686.70 is: 5,506,047.20
Step by Step Solution
- Step 1: Write the proportion equation
10,402,272.70 : 15,603,457.65 = 3,670,686.70 : x - Step 2: Convert to fraction form
10,402,272.70/15,603,457.65 = 3,670,686.70/x - Step 3: Cross multiply
10,402,272.70x = 15,603,457.65 × 3,670,686.70 - Step 4: Simplify right side
10,402,272.70x = 57,275,404,469,868.26 - Step 5: Solve for x
x = 57,275,404,469,868.26/10,402,272.70 - Step 6: Final answer
x = 5,506,047.20
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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.