Finding the Fourth Proportional to 40,789,763.96, 61,186,334.47 and 12,035,898.99
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Solution
The fourth proportional to 40,789,763.96, 61,186,334.47 and 12,035,898.99 is: 18,054,346.72
Step by Step Solution
- Step 1: Write the proportion equation
40,789,763.96 : 61,186,334.47 = 12,035,898.99 : x - Step 2: Convert to fraction form
40,789,763.96/61,186,334.47 = 12,035,898.99/x - Step 3: Cross multiply
40,789,763.96x = 61,186,334.47 × 12,035,898.99 - Step 4: Simplify right side
40,789,763.96x = 736,432,541,219,185.50 - Step 5: Solve for x
x = 736,432,541,219,185.50/40,789,763.96 - Step 6: Final answer
x = 18,054,346.72
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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.