Finding the Fourth Proportional to 15,220,873.79, 22,828,880.32 and 4,435,651.86
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Solution
The fourth proportional to 15,220,873.79, 22,828,880.32 and 4,435,651.86 is: 6,652,769.54
Step by Step Solution
- Step 1: Write the proportion equation
15,220,873.79 : 22,828,880.32 = 4,435,651.86 : x - Step 2: Convert to fraction form
15,220,873.79/22,828,880.32 = 4,435,651.86/x - Step 3: Cross multiply
15,220,873.79x = 22,828,880.32 × 4,435,651.86 - Step 4: Simplify right side
15,220,873.79x = 101,260,965,453,125.41 - Step 5: Solve for x
x = 101,260,965,453,125.41/15,220,873.79 - Step 6: Final answer
x = 6,652,769.54
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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.