Finding the Fourth Proportional to 19,711,607.62, 27,201,731.94 and 11,009,903.98
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Solution
The fourth proportional to 19,711,607.62, 27,201,731.94 and 11,009,903.98 is: 15,193,507.43
Step by Step Solution
- Step 1: Write the proportion equation
19,711,607.62 : 27,201,731.94 = 11,009,903.98 : x - Step 2: Convert to fraction form
19,711,607.62/27,201,731.94 = 11,009,903.98/x - Step 3: Cross multiply
19,711,607.62x = 27,201,731.94 × 11,009,903.98 - Step 4: Simplify right side
19,711,607.62x = 299,488,456,749,099.12 - Step 5: Solve for x
x = 299,488,456,749,099.12/19,711,607.62 - Step 6: Final answer
x = 15,193,507.43
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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.