Finding the Fourth Proportional to 45,915,706.42, 68,873,132.14 and 18,615,509.98
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Solution
The fourth proportional to 45,915,706.42, 68,873,132.14 and 18,615,509.98 is: 27,923,091.65
Step by Step Solution
- Step 1: Write the proportion equation
45,915,706.42 : 68,873,132.14 = 18,615,509.98 : x - Step 2: Convert to fraction form
45,915,706.42/68,873,132.14 = 18,615,509.98/x - Step 3: Cross multiply
45,915,706.42x = 68,873,132.14 × 18,615,509.98 - Step 4: Simplify right side
45,915,706.42x = 1,282,108,478,763,464.75 - Step 5: Solve for x
x = 1,282,108,478,763,464.75/45,915,706.42 - Step 6: Final answer
x = 27,923,091.65
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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.