Finding the Fourth Proportional to 8,484,342.99, 12,728,507.08 and 2,804,567.10
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Solution
The fourth proportional to 8,484,342.99, 12,728,507.08 and 2,804,567.10 is: 4,207,509.32
Step by Step Solution
- Step 1: Write the proportion equation
8,484,342.99 : 12,728,507.08 = 2,804,567.10 : x - Step 2: Convert to fraction form
8,484,342.99/12,728,507.08 = 2,804,567.10/x - Step 3: Cross multiply
8,484,342.99x = 12,728,507.08 × 2,804,567.10 - Step 4: Simplify right side
8,484,342.99x = 35,697,952,188,685.07 - Step 5: Solve for x
x = 35,697,952,188,685.07/8,484,342.99 - Step 6: Final answer
x = 4,207,509.32
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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.