Finding the Fourth Proportional to 39,025,520.74, 53,854,519.98 and 21,621,516.76
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Solution
The fourth proportional to 39,025,520.74, 53,854,519.98 and 21,621,516.76 is: 29,837,306.06
Step by Step Solution
- Step 1: Write the proportion equation
39,025,520.74 : 53,854,519.98 = 21,621,516.76 : x - Step 2: Convert to fraction form
39,025,520.74/53,854,519.98 = 21,621,516.76/x - Step 3: Cross multiply
39,025,520.74x = 53,854,519.98 × 21,621,516.76 - Step 4: Simplify right side
39,025,520.74x = 1,164,416,406,349,325 - Step 5: Solve for x
x = 1,164,416,406,349,325/39,025,520.74 - Step 6: Final answer
x = 29,837,306.06
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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.