Finding the Fourth Proportional to 15,816,421.36, 23,724,635.28 and 4,455,393.76
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Solution
The fourth proportional to 15,816,421.36, 23,724,635.28 and 4,455,393.76 is: 6,683,091.55
Step by Step Solution
- Step 1: Write the proportion equation
15,816,421.36 : 23,724,635.28 = 4,455,393.76 : x - Step 2: Convert to fraction form
15,816,421.36/23,724,635.28 = 4,455,393.76/x - Step 3: Cross multiply
15,816,421.36x = 23,724,635.28 × 4,455,393.76 - Step 4: Simplify right side
15,816,421.36x = 105,702,591,984,787.86 - Step 5: Solve for x
x = 105,702,591,984,787.86/15,816,421.36 - Step 6: Final answer
x = 6,683,091.55
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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.