Finding the Fourth Proportional to 16,188,038.60, 24,282,057.90 and 8,125,881.80
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Solution
The fourth proportional to 16,188,038.60, 24,282,057.90 and 8,125,881.80 is: 12,188,822.70
Step by Step Solution
- Step 1: Write the proportion equation
16,188,038.60 : 24,282,057.90 = 8,125,881.80 : x - Step 2: Convert to fraction form
16,188,038.60/24,282,057.90 = 8,125,881.80/x - Step 3: Cross multiply
16,188,038.60x = 24,282,057.90 × 8,125,881.80 - Step 4: Simplify right side
16,188,038.60x = 197,313,132,356,156.22 - Step 5: Solve for x
x = 197,313,132,356,156.22/16,188,038.60 - Step 6: Final answer
x = 12,188,822.70
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1.5x scale
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.