Finding the Fourth Proportional to 39,033,692, 53,866,811.52 and 21,630,327.68
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Solution
The fourth proportional to 39,033,692, 53,866,811.52 and 21,630,327.68 is: 29,850,027.62
Step by Step Solution
- Step 1: Write the proportion equation
39,033,692 : 53,866,811.52 = 21,630,327.68 : x - Step 2: Convert to fraction form
39,033,692/53,866,811.52 = 21,630,327.68/x - Step 3: Cross multiply
39,033,692x = 53,866,811.52 × 21,630,327.68 - Step 4: Simplify right side
39,033,692x = 1,165,156,784,254,399 - Step 5: Solve for x
x = 1,165,156,784,254,399/39,033,692 - Step 6: Final answer
x = 29,850,027.62
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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.