Finding the Fourth Proportional to 14,970,018.60, 22,455,027.90 and 5,385,709.80
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Solution
The fourth proportional to 14,970,018.60, 22,455,027.90 and 5,385,709.80 is: 8,078,564.70
Step by Step Solution
- Step 1: Write the proportion equation
14,970,018.60 : 22,455,027.90 = 5,385,709.80 : x - Step 2: Convert to fraction form
14,970,018.60/22,455,027.90 = 5,385,709.80/x - Step 3: Cross multiply
14,970,018.60x = 22,455,027.90 × 5,385,709.80 - Step 4: Simplify right side
14,970,018.60x = 120,936,263,820,303.41 - Step 5: Solve for x
x = 120,936,263,820,303.41/14,970,018.60 - Step 6: Final answer
x = 8,078,564.70
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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.