Finding the Fourth Proportional to 10,289,909.40, 15,435,585.81 and 3,101,502.84
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Solution
The fourth proportional to 10,289,909.40, 15,435,585.81 and 3,101,502.84 is: 4,652,471.79
Step by Step Solution
- Step 1: Write the proportion equation
10,289,909.40 : 15,435,585.81 = 3,101,502.84 : x - Step 2: Convert to fraction form
10,289,909.40/15,435,585.81 = 3,101,502.84/x - Step 3: Cross multiply
10,289,909.40x = 15,435,585.81 × 3,101,502.84 - Step 4: Simplify right side
10,289,909.40x = 47,873,513,226,778.70 - Step 5: Solve for x
x = 47,873,513,226,778.70/10,289,909.40 - Step 6: Final answer
x = 4,652,471.79
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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.