Finding the Fourth Proportional to 16,202,276.80, 24,312,746.40 and 6,112,139.20
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Solution
The fourth proportional to 16,202,276.80, 24,312,746.40 and 6,112,139.20 is: 9,171,728.90
Step by Step Solution
- Step 1: Write the proportion equation
16,202,276.80 : 24,312,746.40 = 6,112,139.20 : x - Step 2: Convert to fraction form
16,202,276.80/24,312,746.40 = 6,112,139.20/x - Step 3: Cross multiply
16,202,276.80x = 24,312,746.40 × 6,112,139.20 - Step 4: Simplify right side
16,202,276.80x = 148,602,890,331,098.88 - Step 5: Solve for x
x = 148,602,890,331,098.88/16,202,276.80 - Step 6: Final answer
x = 9,171,728.90
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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.