Finding the Fourth Proportional to 9,725,478.12, 14,575,177.20 and 7,569,107.04
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Solution
The fourth proportional to 9,725,478.12, 14,575,177.20 and 7,569,107.04 is: 11,343,511.86
Step by Step Solution
- Step 1: Write the proportion equation
9,725,478.12 : 14,575,177.20 = 7,569,107.04 : x - Step 2: Convert to fraction form
9,725,478.12/14,575,177.20 = 7,569,107.04/x - Step 3: Cross multiply
9,725,478.12x = 14,575,177.20 × 7,569,107.04 - Step 4: Simplify right side
9,725,478.12x = 110,321,076,353,767.48 - Step 5: Solve for x
x = 110,321,076,353,767.48/9,725,478.12 - Step 6: Final answer
x = 11,343,511.86
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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.