Finding the Fourth Proportional to 11,375,984.07, 15,698,929.19 and 6,148,981.46
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Solution
The fourth proportional to 11,375,984.07, 15,698,929.19 and 6,148,981.46 is: 8,485,632.88
Step by Step Solution
- Step 1: Write the proportion equation
11,375,984.07 : 15,698,929.19 = 6,148,981.46 : x - Step 2: Convert to fraction form
11,375,984.07/15,698,929.19 = 6,148,981.46/x - Step 3: Cross multiply
11,375,984.07x = 15,698,929.19 × 6,148,981.46 - Step 4: Simplify right side
11,375,984.07x = 96,532,424,421,923.27 - Step 5: Solve for x
x = 96,532,424,421,923.27/11,375,984.07 - Step 6: Final answer
x = 8,485,632.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.