Finding the Fourth Proportional to 55,251,037.98, 82,885,070.07 and 18,850,943.70
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Solution
The fourth proportional to 55,251,037.98, 82,885,070.07 and 18,850,943.70 is: 28,279,320.11
Step by Step Solution
- Step 1: Write the proportion equation
55,251,037.98 : 82,885,070.07 = 18,850,943.70 : x - Step 2: Convert to fraction form
55,251,037.98/82,885,070.07 = 18,850,943.70/x - Step 3: Cross multiply
55,251,037.98x = 82,885,070.07 × 18,850,943.70 - Step 4: Simplify right side
55,251,037.98x = 1,562,461,789,460,124.75 - Step 5: Solve for x
x = 1,562,461,789,460,124.75/55,251,037.98 - Step 6: Final answer
x = 28,279,320.11
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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.