Finding the Fourth Proportional to 16,402,515.05, 24,603,772.58 and 15,525,637.40
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Solution
The fourth proportional to 16,402,515.05, 24,603,772.58 and 15,525,637.40 is: 23,288,456.10
Step by Step Solution
- Step 1: Write the proportion equation
16,402,515.05 : 24,603,772.58 = 15,525,637.40 : x - Step 2: Convert to fraction form
16,402,515.05/24,603,772.58 = 15,525,637.40/x - Step 3: Cross multiply
16,402,515.05x = 24,603,772.58 × 15,525,637.40 - Step 4: Simplify right side
16,402,515.05x = 381,989,251,671,514.31 - Step 5: Solve for x
x = 381,989,251,671,514.31/16,402,515.05 - Step 6: Final answer
x = 23,288,456.10
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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.