Finding the Fourth Proportional to 40,216,765.92, 55,497,502.68 and 22,812,737.58
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Solution
The fourth proportional to 40,216,765.92, 55,497,502.68 and 22,812,737.58 is: 31,480,650.82
Step by Step Solution
- Step 1: Write the proportion equation
40,216,765.92 : 55,497,502.68 = 22,812,737.58 : x - Step 2: Convert to fraction form
40,216,765.92/55,497,502.68 = 22,812,737.58/x - Step 3: Cross multiply
40,216,765.92x = 55,497,502.68 × 22,812,737.58 - Step 4: Simplify right side
40,216,765.92x = 1,266,049,964,984,186.50 - Step 5: Solve for x
x = 1,266,049,964,984,186.50/40,216,765.92 - Step 6: Final answer
x = 31,480,650.82
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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.