Finding the Fourth Proportional to 10,291,614.49, 15,442,135.98 and 4,457,584.60
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Solution
The fourth proportional to 10,291,614.49, 15,442,135.98 and 4,457,584.60 is: 6,688,418.77
Step by Step Solution
- Step 1: Write the proportion equation
10,291,614.49 : 15,442,135.98 = 4,457,584.60 : x - Step 2: Convert to fraction form
10,291,614.49/15,442,135.98 = 4,457,584.60/x - Step 3: Cross multiply
10,291,614.49x = 15,442,135.98 × 4,457,584.60 - Step 4: Simplify right side
10,291,614.49x = 68,834,627,513,664.52 - Step 5: Solve for x
x = 68,834,627,513,664.52/10,291,614.49 - Step 6: Final answer
x = 6,688,418.77
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.