Finding the Fourth Proportional to 40,381,295.10, 60,571,942.65 and 18,808,727.10
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Solution
The fourth proportional to 40,381,295.10, 60,571,942.65 and 18,808,727.10 is: 28,213,090.65
Step by Step Solution
- Step 1: Write the proportion equation
40,381,295.10 : 60,571,942.65 = 18,808,727.10 : x - Step 2: Convert to fraction form
40,381,295.10/60,571,942.65 = 18,808,727.10/x - Step 3: Cross multiply
40,381,295.10x = 60,571,942.65 × 18,808,727.10 - Step 4: Simplify right side
40,381,295.10x = 1,139,281,139,220,701 - Step 5: Solve for x
x = 1,139,281,139,220,701/40,381,295.10 - Step 6: Final answer
x = 28,213,090.65
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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.