Finding the Fourth Proportional to 10,508,174.40, 15,750,014.40 and 4,828,972.80
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Solution
The fourth proportional to 10,508,174.40, 15,750,014.40 and 4,828,972.80 is: 7,237,831.07
Step by Step Solution
- Step 1: Write the proportion equation
10,508,174.40 : 15,750,014.40 = 4,828,972.80 : x - Step 2: Convert to fraction form
10,508,174.40/15,750,014.40 = 4,828,972.80/x - Step 3: Cross multiply
10,508,174.40x = 15,750,014.40 × 4,828,972.80 - Step 4: Simplify right side
10,508,174.40x = 76,056,391,137,208.31 - Step 5: Solve for x
x = 76,056,391,137,208.31/10,508,174.40 - Step 6: Final answer
x = 7,237,831.07
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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.