Finding the Fourth Proportional to 15,248,145.70, 22,851,223.35 and 10,115,985.70
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Solution
The fourth proportional to 15,248,145.70, 22,851,223.35 and 10,115,985.70 is: 15,160,049.83
Step by Step Solution
- Step 1: Write the proportion equation
15,248,145.70 : 22,851,223.35 = 10,115,985.70 : x - Step 2: Convert to fraction form
15,248,145.70/22,851,223.35 = 10,115,985.70/x - Step 3: Cross multiply
15,248,145.70x = 22,851,223.35 × 10,115,985.70 - Step 4: Simplify right side
15,248,145.70x = 231,162,648,636,106.09 - Step 5: Solve for x
x = 231,162,648,636,106.09/15,248,145.70 - Step 6: Final answer
x = 15,160,049.83
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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.