Finding the Fourth Proportional to 26,736,850.70, 40,105,276.05 and 12,387,943.70
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Solution
The fourth proportional to 26,736,850.70, 40,105,276.05 and 12,387,943.70 is: 18,581,915.55
Step by Step Solution
- Step 1: Write the proportion equation
26,736,850.70 : 40,105,276.05 = 12,387,943.70 : x - Step 2: Convert to fraction form
26,736,850.70/40,105,276.05 = 12,387,943.70/x - Step 3: Cross multiply
26,736,850.70x = 40,105,276.05 × 12,387,943.70 - Step 4: Simplify right side
26,736,850.70x = 496,821,901,780,358.31 - Step 5: Solve for x
x = 496,821,901,780,358.31/26,736,850.70 - Step 6: Final answer
x = 18,581,915.55
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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.