Finding the Fourth Proportional to 15,569,535.24, 21,485,873.10 and 8,600,692.20
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Solution
The fourth proportional to 15,569,535.24, 21,485,873.10 and 8,600,692.20 is: 11,868,907.99
Step by Step Solution
- Step 1: Write the proportion equation
15,569,535.24 : 21,485,873.10 = 8,600,692.20 : x - Step 2: Convert to fraction form
15,569,535.24/21,485,873.10 = 8,600,692.20/x - Step 3: Cross multiply
15,569,535.24x = 21,485,873.10 × 8,600,692.20 - Step 4: Simplify right side
15,569,535.24x = 184,793,381,181,359.81 - Step 5: Solve for x
x = 184,793,381,181,359.81/15,569,535.24 - Step 6: Final answer
x = 11,868,907.99
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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.