Finding the Fourth Proportional to 13,877,858.95, 19,153,449.58 and 7,996,367.12
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Solution
The fourth proportional to 13,877,858.95, 19,153,449.58 and 7,996,367.12 is: 11,036,141.45
Step by Step Solution
- Step 1: Write the proportion equation
13,877,858.95 : 19,153,449.58 = 7,996,367.12 : x - Step 2: Convert to fraction form
13,877,858.95/19,153,449.58 = 7,996,367.12/x - Step 3: Cross multiply
13,877,858.95x = 19,153,449.58 × 7,996,367.12 - Step 4: Simplify right side
13,877,858.95x = 153,158,014,442,143.47 - Step 5: Solve for x
x = 153,158,014,442,143.47/13,877,858.95 - Step 6: Final answer
x = 11,036,141.45
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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.