Finding the Fourth Proportional to 19,828,433.46, 29,707,463.08 and 8,288,462.08
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Solution
The fourth proportional to 19,828,433.46, 29,707,463.08 and 8,288,462.08 is: 12,417,984.59
Step by Step Solution
- Step 1: Write the proportion equation
19,828,433.46 : 29,707,463.08 = 8,288,462.08 : x - Step 2: Convert to fraction form
19,828,433.46/29,707,463.08 = 8,288,462.08/x - Step 3: Cross multiply
19,828,433.46x = 29,707,463.08 × 8,288,462.08 - Step 4: Simplify right side
19,828,433.46x = 246,229,181,231,580 - Step 5: Solve for x
x = 246,229,181,231,580/19,828,433.46 - Step 6: Final answer
x = 12,417,984.59
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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.