Finding the Fourth Proportional to 19,609,058.69, 29,417,179.30 and 8,088,241.21
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Solution
The fourth proportional to 19,609,058.69, 29,417,179.30 and 8,088,241.21 is: 12,133,843.12
Step by Step Solution
- Step 1: Write the proportion equation
19,609,058.69 : 29,417,179.30 = 8,088,241.21 : x - Step 2: Convert to fraction form
19,609,058.69/29,417,179.30 = 8,088,241.21/x - Step 3: Cross multiply
19,609,058.69x = 29,417,179.30 × 8,088,241.21 - Step 4: Simplify right side
19,609,058.69x = 237,933,242,013,423.41 - Step 5: Solve for x
x = 237,933,242,013,423.41/19,609,058.69 - Step 6: Final answer
x = 12,133,843.12
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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.