Finding the Fourth Proportional to 56,512,643.70, 84,768,965.55 and 13,962,371.70
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Solution
The fourth proportional to 56,512,643.70, 84,768,965.55 and 13,962,371.70 is: 20,943,557.55
Step by Step Solution
- Step 1: Write the proportion equation
56,512,643.70 : 84,768,965.55 = 13,962,371.70 : x - Step 2: Convert to fraction form
56,512,643.70/84,768,965.55 = 13,962,371.70/x - Step 3: Cross multiply
56,512,643.70x = 84,768,965.55 × 13,962,371.70 - Step 4: Simplify right side
56,512,643.70x = 1,183,575,805,633,594.75 - Step 5: Solve for x
x = 1,183,575,805,633,594.75/56,512,643.70 - Step 6: Final answer
x = 20,943,557.55
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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.