Finding the Fourth Proportional to 16,296,946.80, 24,408,095.40 and 8,309,439.60
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Solution
The fourth proportional to 16,296,946.80, 24,408,095.40 and 8,309,439.60 is: 12,445,128.34
Step by Step Solution
- Step 1: Write the proportion equation
16,296,946.80 : 24,408,095.40 = 8,309,439.60 : x - Step 2: Convert to fraction form
16,296,946.80/24,408,095.40 = 8,309,439.60/x - Step 3: Cross multiply
16,296,946.80x = 24,408,095.40 × 8,309,439.60 - Step 4: Simplify right side
16,296,946.80x = 202,817,594,477,337.81 - Step 5: Solve for x
x = 202,817,594,477,337.81/16,296,946.80 - Step 6: Final answer
x = 12,445,128.34
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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.