Finding the Fourth Proportional to 10,102,002.21, 15,152,959.58 and 2,528,946.09
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Solution
The fourth proportional to 10,102,002.21, 15,152,959.58 and 2,528,946.09 is: 3,793,408.19
Step by Step Solution
- Step 1: Write the proportion equation
10,102,002.21 : 15,152,959.58 = 2,528,946.09 : x - Step 2: Convert to fraction form
10,102,002.21/15,152,959.58 = 2,528,946.09/x - Step 3: Cross multiply
10,102,002.21x = 15,152,959.58 × 2,528,946.09 - Step 4: Simplify right side
10,102,002.21x = 38,321,017,869,124.30 - Step 5: Solve for x
x = 38,321,017,869,124.30/10,102,002.21 - Step 6: Final answer
x = 3,793,408.19
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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.