Finding the Fourth Proportional to 10,988,430.17, 16,480,400.67 and 4,162,650.08
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Solution
The fourth proportional to 10,988,430.17, 16,480,400.67 and 4,162,650.08 is: 6,243,124.82
Step by Step Solution
- Step 1: Write the proportion equation
10,988,430.17 : 16,480,400.67 = 4,162,650.08 : x - Step 2: Convert to fraction form
10,988,430.17/16,480,400.67 = 4,162,650.08/x - Step 3: Cross multiply
10,988,430.17x = 16,480,400.67 × 4,162,650.08 - Step 4: Simplify right side
10,988,430.17x = 68,602,141,085,005.55 - Step 5: Solve for x
x = 68,602,141,085,005.55/10,988,430.17 - Step 6: Final answer
x = 6,243,124.82
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.