Finding the Fourth Proportional to 13,872,854.68, 19,143,951 and 7,677,321.98
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Solution
The fourth proportional to 13,872,854.68, 19,143,951 and 7,677,321.98 is: 10,594,378.68
Step by Step Solution
- Step 1: Write the proportion equation
13,872,854.68 : 19,143,951 = 7,677,321.98 : x - Step 2: Convert to fraction form
13,872,854.68/19,143,951 = 7,677,321.98/x - Step 3: Cross multiply
13,872,854.68x = 19,143,951 × 7,677,321.98 - Step 4: Simplify right side
13,872,854.68x = 146,974,275,796,343 - Step 5: Solve for x
x = 146,974,275,796,343/13,872,854.68 - Step 6: Final answer
x = 10,594,378.68
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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.