Finding the Fourth Proportional to 57,630,248.72, 86,451,427.12 and 18,771,728.70
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Solution
The fourth proportional to 57,630,248.72, 86,451,427.12 and 18,771,728.70 is: 28,159,565.02
Step by Step Solution
- Step 1: Write the proportion equation
57,630,248.72 : 86,451,427.12 = 18,771,728.70 : x - Step 2: Convert to fraction form
57,630,248.72/86,451,427.12 = 18,771,728.70/x - Step 3: Cross multiply
57,630,248.72x = 86,451,427.12 × 18,771,728.70 - Step 4: Simplify right side
57,630,248.72x = 1,622,842,735,624,462.25 - Step 5: Solve for x
x = 1,622,842,735,624,462.25/57,630,248.72 - Step 6: Final answer
x = 28,159,565.02
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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.