Finding the Fourth Proportional to 15,769,251.80, 23,653,877.70 and 14,929,443.80
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Solution
The fourth proportional to 15,769,251.80, 23,653,877.70 and 14,929,443.80 is: 22,394,165.70
Step by Step Solution
- Step 1: Write the proportion equation
15,769,251.80 : 23,653,877.70 = 14,929,443.80 : x - Step 2: Convert to fraction form
15,769,251.80/23,653,877.70 = 14,929,443.80/x - Step 3: Cross multiply
15,769,251.80x = 23,653,877.70 × 14,929,443.80 - Step 4: Simplify right side
15,769,251.80x = 353,139,237,774,223.25 - Step 5: Solve for x
x = 353,139,237,774,223.25/15,769,251.80 - Step 6: Final answer
x = 22,394,165.70
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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.