Finding the Fourth Proportional to 16,616,929.98, 24,904,428.26 and 8,421,631.32
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Solution
The fourth proportional to 16,616,929.98, 24,904,428.26 and 8,421,631.32 is: 12,621,820.84
Step by Step Solution
- Step 1: Write the proportion equation
16,616,929.98 : 24,904,428.26 = 8,421,631.32 : x - Step 2: Convert to fraction form
16,616,929.98/24,904,428.26 = 8,421,631.32/x - Step 3: Cross multiply
16,616,929.98x = 24,904,428.26 × 8,421,631.32 - Step 4: Simplify right side
16,616,929.98x = 209,735,913,041,109.12 - Step 5: Solve for x
x = 209,735,913,041,109.12/16,616,929.98 - Step 6: Final answer
x = 12,621,820.84
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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.