Finding the Fourth Proportional to 16,128,461.60, 24,192,692.40 and 13,329,101.60
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Solution
The fourth proportional to 16,128,461.60, 24,192,692.40 and 13,329,101.60 is: 19,993,652.40
Step by Step Solution
- Step 1: Write the proportion equation
16,128,461.60 : 24,192,692.40 = 13,329,101.60 : x - Step 2: Convert to fraction form
16,128,461.60/24,192,692.40 = 13,329,101.60/x - Step 3: Cross multiply
16,128,461.60x = 24,192,692.40 × 13,329,101.60 - Step 4: Simplify right side
16,128,461.60x = 322,466,854,977,147.81 - Step 5: Solve for x
x = 322,466,854,977,147.81/16,128,461.60 - Step 6: Final answer
x = 19,993,652.40
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1.5x scale
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.