Finding the Fourth Proportional to 9,579,920.70, 14,369,881.05 and 6,178,698.30
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Solution
The fourth proportional to 9,579,920.70, 14,369,881.05 and 6,178,698.30 is: 9,268,047.45
Step by Step Solution
- Step 1: Write the proportion equation
9,579,920.70 : 14,369,881.05 = 6,178,698.30 : x - Step 2: Convert to fraction form
9,579,920.70/14,369,881.05 = 6,178,698.30/x - Step 3: Cross multiply
9,579,920.70x = 14,369,881.05 × 6,178,698.30 - Step 4: Simplify right side
9,579,920.70x = 88,787,159,614,837.22 - Step 5: Solve for x
x = 88,787,159,614,837.22/9,579,920.70 - Step 6: Final answer
x = 9,268,047.45
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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.