Finding the Fourth Proportional to 10,368,902.05, 15,553,353.08 and 9,361,132.45
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Solution
The fourth proportional to 10,368,902.05, 15,553,353.08 and 9,361,132.45 is: 14,041,698.68
Step by Step Solution
- Step 1: Write the proportion equation
10,368,902.05 : 15,553,353.08 = 9,361,132.45 : x - Step 2: Convert to fraction form
10,368,902.05/15,553,353.08 = 9,361,132.45/x - Step 3: Cross multiply
10,368,902.05x = 15,553,353.08 × 9,361,132.45 - Step 4: Simplify right side
10,368,902.05x = 145,596,998,223,495.44 - Step 5: Solve for x
x = 145,596,998,223,495.44/10,368,902.05 - Step 6: Final answer
x = 14,041,698.68
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1.5x scale
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.