Finding the Fourth Proportional to 11,303,259.79, 15,598,027.55 and 6,408,812.68
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Solution
The fourth proportional to 11,303,259.79, 15,598,027.55 and 6,408,812.68 is: 8,843,894.47
Step by Step Solution
- Step 1: Write the proportion equation
11,303,259.79 : 15,598,027.55 = 6,408,812.68 : x - Step 2: Convert to fraction form
11,303,259.79/15,598,027.55 = 6,408,812.68/x - Step 3: Cross multiply
11,303,259.79x = 15,598,027.55 × 6,408,812.68 - Step 4: Simplify right side
11,303,259.79x = 99,964,836,745,429.33 - Step 5: Solve for x
x = 99,964,836,745,429.33/11,303,259.79 - Step 6: Final answer
x = 8,843,894.47
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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.