Finding the Fourth Proportional to 7,884,027.70, 11,826,041.55 and 1,900,395.70
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Solution
The fourth proportional to 7,884,027.70, 11,826,041.55 and 1,900,395.70 is: 2,850,593.55
Step by Step Solution
- Step 1: Write the proportion equation
7,884,027.70 : 11,826,041.55 = 1,900,395.70 : x - Step 2: Convert to fraction form
7,884,027.70/11,826,041.55 = 1,900,395.70/x - Step 3: Cross multiply
7,884,027.70x = 11,826,041.55 × 1,900,395.70 - Step 4: Simplify right side
7,884,027.70x = 22,474,158,509,641.34 - Step 5: Solve for x
x = 22,474,158,509,641.34/7,884,027.70 - Step 6: Final answer
x = 2,850,593.55
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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.