Finding the Fourth Proportional to 38,493,698.18, 57,740,665.74 and 9,739,827.74
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Solution
The fourth proportional to 38,493,698.18, 57,740,665.74 and 9,739,827.74 is: 14,609,771.59
Step by Step Solution
- Step 1: Write the proportion equation
38,493,698.18 : 57,740,665.74 = 9,739,827.74 : x - Step 2: Convert to fraction form
38,493,698.18/57,740,665.74 = 9,739,827.74/x - Step 3: Cross multiply
38,493,698.18x = 57,740,665.74 × 9,739,827.74 - Step 4: Simplify right side
38,493,698.18x = 562,384,137,900,519.69 - Step 5: Solve for x
x = 562,384,137,900,519.69/38,493,698.18 - Step 6: Final answer
x = 14,609,771.59
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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.