Finding the Fourth Proportional to 16,488,455.70, 24,732,683.55 and 15,425,573.70
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Solution
The fourth proportional to 16,488,455.70, 24,732,683.55 and 15,425,573.70 is: 23,138,360.55
Step by Step Solution
- Step 1: Write the proportion equation
16,488,455.70 : 24,732,683.55 = 15,425,573.70 : x - Step 2: Convert to fraction form
16,488,455.70/24,732,683.55 = 15,425,573.70/x - Step 3: Cross multiply
16,488,455.70x = 24,732,683.55 × 15,425,573.70 - Step 4: Simplify right side
16,488,455.70x = 381,515,832,899,302.62 - Step 5: Solve for x
x = 381,515,832,899,302.62/16,488,455.70 - Step 6: Final answer
x = 23,138,360.55
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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.