Finding the Fourth Proportional to 10,926,730.09, 15,078,492.27 and 6,031,847.05
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Solution
The fourth proportional to 10,926,730.09, 15,078,492.27 and 6,031,847.05 is: 8,323,730.74
Step by Step Solution
- Step 1: Write the proportion equation
10,926,730.09 : 15,078,492.27 = 6,031,847.05 : x - Step 2: Convert to fraction form
10,926,730.09/15,078,492.27 = 6,031,847.05/x - Step 3: Cross multiply
10,926,730.09x = 15,078,492.27 × 6,031,847.05 - Step 4: Simplify right side
10,926,730.09x = 90,951,159,117,247.30 - Step 5: Solve for x
x = 90,951,159,117,247.30/10,926,730.09 - Step 6: Final answer
x = 8,323,730.74
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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.