Finding the Fourth Proportional to 8,219,693.24, 12,334,410.73 and 4,579,470.02
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Solution
The fourth proportional to 8,219,693.24, 12,334,410.73 and 4,579,470.02 is: 6,871,918.75
Step by Step Solution
- Step 1: Write the proportion equation
8,219,693.24 : 12,334,410.73 = 4,579,470.02 : x - Step 2: Convert to fraction form
8,219,693.24/12,334,410.73 = 4,579,470.02/x - Step 3: Cross multiply
8,219,693.24x = 12,334,410.73 × 4,579,470.02 - Step 4: Simplify right side
8,219,693.24x = 56,485,064,093,816.52 - Step 5: Solve for x
x = 56,485,064,093,816.52/8,219,693.24 - Step 6: Final answer
x = 6,871,918.75
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.