Finding the Fourth Proportional to 16,288,489.87, 22,478,386.95 and 8,947,002.42
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Solution
The fourth proportional to 16,288,489.87, 22,478,386.95 and 8,947,002.42 is: 12,347,012.16
Step by Step Solution
- Step 1: Write the proportion equation
16,288,489.87 : 22,478,386.95 = 8,947,002.42 : x - Step 2: Convert to fraction form
16,288,489.87/22,478,386.95 = 8,947,002.42/x - Step 3: Cross multiply
16,288,489.87x = 22,478,386.95 × 8,947,002.42 - Step 4: Simplify right side
16,288,489.87x = 201,114,182,439,346.41 - Step 5: Solve for x
x = 201,114,182,439,346.41/16,288,489.87 - Step 6: Final answer
x = 12,347,012.16
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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.