Finding the Fourth Proportional to 27,163,566.04, 40,762,108.40 and 12,587,768.70
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Solution
The fourth proportional to 27,163,566.04, 40,762,108.40 and 12,587,768.70 is: 18,889,419.43
Step by Step Solution
- Step 1: Write the proportion equation
27,163,566.04 : 40,762,108.40 = 12,587,768.70 : x - Step 2: Convert to fraction form
27,163,566.04/40,762,108.40 = 12,587,768.70/x - Step 3: Cross multiply
27,163,566.04x = 40,762,108.40 × 12,587,768.70 - Step 4: Simplify right side
27,163,566.04x = 513,103,992,263,527 - Step 5: Solve for x
x = 513,103,992,263,527/27,163,566.04 - Step 6: Final answer
x = 18,889,419.43
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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.