Finding the Fourth Proportional to 10,113,296.31, 15,169,542.30 and 5,573,346.75
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Solution
The fourth proportional to 10,113,296.31, 15,169,542.30 and 5,573,346.75 is: 8,359,798.50
Step by Step Solution
- Step 1: Write the proportion equation
10,113,296.31 : 15,169,542.30 = 5,573,346.75 : x - Step 2: Convert to fraction form
10,113,296.31/15,169,542.30 = 5,573,346.75/x - Step 3: Cross multiply
10,113,296.31x = 15,169,542.30 × 5,573,346.75 - Step 4: Simplify right side
10,113,296.31x = 84,545,119,276,692.53 - Step 5: Solve for x
x = 84,545,119,276,692.53/10,113,296.31 - Step 6: Final answer
x = 8,359,798.50
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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.