Finding the Fourth Proportional to 19,191,421.31, 26,484,097.11 and 10,489,588.88
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Solution
The fourth proportional to 19,191,421.31, 26,484,097.11 and 10,489,588.88 is: 14,475,597.51
Step by Step Solution
- Step 1: Write the proportion equation
19,191,421.31 : 26,484,097.11 = 10,489,588.88 : x - Step 2: Convert to fraction form
19,191,421.31/26,484,097.11 = 10,489,588.88/x - Step 3: Cross multiply
19,191,421.31x = 26,484,097.11 × 10,489,588.88 - Step 4: Simplify right side
19,191,421.31x = 277,807,290,541,896.16 - Step 5: Solve for x
x = 277,807,290,541,896.16/19,191,421.31 - Step 6: Final answer
x = 14,475,597.51
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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.