Finding the Fourth Proportional to 10,368,440.20, 15,552,660.30 and 9,323,345.80
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Solution
The fourth proportional to 10,368,440.20, 15,552,660.30 and 9,323,345.80 is: 13,985,018.70
Step by Step Solution
- Step 1: Write the proportion equation
10,368,440.20 : 15,552,660.30 = 9,323,345.80 : x - Step 2: Convert to fraction form
10,368,440.20/15,552,660.30 = 9,323,345.80/x - Step 3: Cross multiply
10,368,440.20x = 15,552,660.30 × 9,323,345.80 - Step 4: Simplify right side
10,368,440.20x = 145,002,830,086,831.75 - Step 5: Solve for x
x = 145,002,830,086,831.75/10,368,440.20 - Step 6: Final answer
x = 13,985,018.70
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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.