Finding the Fourth Proportional to 19,028,177.08, 28,533,692.58 and 11,355,364.60
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Solution
The fourth proportional to 19,028,177.08, 28,533,692.58 and 11,355,364.60 is: 17,027,930.80
Step by Step Solution
- Step 1: Write the proportion equation
19,028,177.08 : 28,533,692.58 = 11,355,364.60 : x - Step 2: Convert to fraction form
19,028,177.08/28,533,692.58 = 11,355,364.60/x - Step 3: Cross multiply
19,028,177.08x = 28,533,692.58 × 11,355,364.60 - Step 4: Simplify right side
19,028,177.08x = 324,010,482,516,297.88 - Step 5: Solve for x
x = 324,010,482,516,297.88/19,028,177.08 - Step 6: Final answer
x = 17,027,930.80
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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.