Finding the Fourth Proportional to 16,186,869.60, 24,281,686.80 and 5,549,301.60
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Solution
The fourth proportional to 16,186,869.60, 24,281,686.80 and 5,549,301.60 is: 8,324,426.32
Step by Step Solution
- Step 1: Write the proportion equation
16,186,869.60 : 24,281,686.80 = 5,549,301.60 : x - Step 2: Convert to fraction form
16,186,869.60/24,281,686.80 = 5,549,301.60/x - Step 3: Cross multiply
16,186,869.60x = 24,281,686.80 × 5,549,301.60 - Step 4: Simplify right side
16,186,869.60x = 134,746,403,409,938.88 - Step 5: Solve for x
x = 134,746,403,409,938.88/16,186,869.60 - Step 6: Final answer
x = 8,324,426.32
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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.