Finding the Fourth Proportional to 7,439,739.84, 11,149,216.20 and 4,020,655.32
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Solution
The fourth proportional to 7,439,739.84, 11,149,216.20 and 4,020,655.32 is: 6,025,365.99
Step by Step Solution
- Step 1: Write the proportion equation
7,439,739.84 : 11,149,216.20 = 4,020,655.32 : x - Step 2: Convert to fraction form
7,439,739.84/11,149,216.20 = 4,020,655.32/x - Step 3: Cross multiply
7,439,739.84x = 11,149,216.20 × 4,020,655.32 - Step 4: Simplify right side
7,439,739.84x = 44,827,155,428,360.18 - Step 5: Solve for x
x = 44,827,155,428,360.18/7,439,739.84 - Step 6: Final answer
x = 6,025,365.99
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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.