Finding the Fourth Proportional to 16,637,564.60, 24,975,009.30 and 12,867,759.80
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Solution
The fourth proportional to 16,637,564.60, 24,975,009.30 and 12,867,759.80 is: 19,316,073.50
Step by Step Solution
- Step 1: Write the proportion equation
16,637,564.60 : 24,975,009.30 = 12,867,759.80 : x - Step 2: Convert to fraction form
16,637,564.60/24,975,009.30 = 12,867,759.80/x - Step 3: Cross multiply
16,637,564.60x = 24,975,009.30 × 12,867,759.80 - Step 4: Simplify right side
16,637,564.60x = 321,372,420,675,166.19 - Step 5: Solve for x
x = 321,372,420,675,166.19/16,637,564.60 - Step 6: Final answer
x = 19,316,073.50
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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.