Finding the Fourth Proportional to 10,457,923.99, 14,432,285.55 and 5,811,904.81
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Solution
The fourth proportional to 10,457,923.99, 14,432,285.55 and 5,811,904.81 is: 8,020,623.39
Step by Step Solution
- Step 1: Write the proportion equation
10,457,923.99 : 14,432,285.55 = 5,811,904.81 : x - Step 2: Convert to fraction form
10,457,923.99/14,432,285.55 = 5,811,904.81/x - Step 3: Cross multiply
10,457,923.99x = 14,432,285.55 × 5,811,904.81 - Step 4: Simplify right side
10,457,923.99x = 83,879,069,807,338.50 - Step 5: Solve for x
x = 83,879,069,807,338.50/10,457,923.99 - Step 6: Final answer
x = 8,020,623.39
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1.5x scale
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.