Finding the Fourth Proportional to 10,285,473.84, 15,353,107.02 and 9,536,142
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Solution
The fourth proportional to 10,285,473.84, 15,353,107.02 and 9,536,142 is: 14,234,580.82
Step by Step Solution
- Step 1: Write the proportion equation
10,285,473.84 : 15,353,107.02 = 9,536,142 : x - Step 2: Convert to fraction form
10,285,473.84/15,353,107.02 = 9,536,142/x - Step 3: Cross multiply
10,285,473.84x = 15,353,107.02 × 9,536,142 - Step 4: Simplify right side
10,285,473.84x = 146,409,408,683,916.84 - Step 5: Solve for x
x = 146,409,408,683,916.84/10,285,473.84 - Step 6: Final answer
x = 14,234,580.82
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.