Finding the Fourth Proportional to 55,145,557.70, 82,718,336.55 and 14,756,041.70
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Solution
The fourth proportional to 55,145,557.70, 82,718,336.55 and 14,756,041.70 is: 22,134,062.55
Step by Step Solution
- Step 1: Write the proportion equation
55,145,557.70 : 82,718,336.55 = 14,756,041.70 : x - Step 2: Convert to fraction form
55,145,557.70/82,718,336.55 = 14,756,041.70/x - Step 3: Cross multiply
55,145,557.70x = 82,718,336.55 × 14,756,041.70 - Step 4: Simplify right side
55,145,557.70x = 1,220,595,223,486,434 - Step 5: Solve for x
x = 1,220,595,223,486,434/55,145,557.70 - Step 6: Final answer
x = 22,134,062.55
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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.