Finding the Fourth Proportional to 16,788,948.20, 25,183,422.30 and 14,804,901.80
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Solution
The fourth proportional to 16,788,948.20, 25,183,422.30 and 14,804,901.80 is: 22,207,352.70
Step by Step Solution
- Step 1: Write the proportion equation
16,788,948.20 : 25,183,422.30 = 14,804,901.80 : x - Step 2: Convert to fraction form
16,788,948.20/25,183,422.30 = 14,804,901.80/x - Step 3: Cross multiply
16,788,948.20x = 25,183,422.30 × 14,804,901.80 - Step 4: Simplify right side
16,788,948.20x = 372,838,094,139,430.19 - Step 5: Solve for x
x = 372,838,094,139,430.19/16,788,948.20 - Step 6: Final answer
x = 22,207,352.70
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1.5x scale
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.