Finding the Fourth Proportional to 10,074,389.99, 13,903,029.95 and 5,724,213.71
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Solution
The fourth proportional to 10,074,389.99, 13,903,029.95 and 5,724,213.71 is: 7,899,626.15
Step by Step Solution
- Step 1: Write the proportion equation
10,074,389.99 : 13,903,029.95 = 5,724,213.71 : x - Step 2: Convert to fraction form
10,074,389.99/13,903,029.95 = 5,724,213.71/x - Step 3: Cross multiply
10,074,389.99x = 13,903,029.95 × 5,724,213.71 - Step 4: Simplify right side
10,074,389.99x = 79,583,914,552,194.41 - Step 5: Solve for x
x = 79,583,914,552,194.41/10,074,389.99 - Step 6: Final answer
x = 7,899,626.15
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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.