Finding the Fourth Proportional to 20,896,341.66, 31,349,372.49 and 6,518,634.30
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Solution
The fourth proportional to 20,896,341.66, 31,349,372.49 and 6,518,634.30 is: 9,779,467.53
Step by Step Solution
- Step 1: Write the proportion equation
20,896,341.66 : 31,349,372.49 = 6,518,634.30 : x - Step 2: Convert to fraction form
20,896,341.66/31,349,372.49 = 6,518,634.30/x - Step 3: Cross multiply
20,896,341.66x = 31,349,372.49 × 6,518,634.30 - Step 4: Simplify right side
20,896,341.66x = 204,355,094,796,790.38 - Step 5: Solve for x
x = 204,355,094,796,790.38/20,896,341.66 - Step 6: Final answer
x = 9,779,467.53
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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.