Finding the Fourth Proportional to 40,169,823.96, 60,260,410.28 and 12,869,730.75
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Solution
The fourth proportional to 40,169,823.96, 60,260,410.28 and 12,869,730.75 is: 19,306,414.09
Step by Step Solution
- Step 1: Write the proportion equation
40,169,823.96 : 60,260,410.28 = 12,869,730.75 : x - Step 2: Convert to fraction form
40,169,823.96/60,260,410.28 = 12,869,730.75/x - Step 3: Cross multiply
40,169,823.96x = 60,260,410.28 × 12,869,730.75 - Step 4: Simplify right side
40,169,823.96x = 775,535,255,188,132.12 - Step 5: Solve for x
x = 775,535,255,188,132.12/40,169,823.96 - Step 6: Final answer
x = 19,306,414.09
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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.