Finding the Fourth Proportional to 10,983,842.24, 15,157,660.32 and 6,154,946.24
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Solution
The fourth proportional to 10,983,842.24, 15,157,660.32 and 6,154,946.24 is: 8,493,802.29
Step by Step Solution
- Step 1: Write the proportion equation
10,983,842.24 : 15,157,660.32 = 6,154,946.24 : x - Step 2: Convert to fraction form
10,983,842.24/15,157,660.32 = 6,154,946.24/x - Step 3: Cross multiply
10,983,842.24x = 15,157,660.32 × 6,154,946.24 - Step 4: Simplify right side
10,983,842.24x = 93,294,584,393,781.20 - Step 5: Solve for x
x = 93,294,584,393,781.20/10,983,842.24 - Step 6: Final answer
x = 8,493,802.29
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.