Finding the Fourth Proportional to 16,688,115.84, 25,031,962.56 and 5,328,420.48
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Solution
The fourth proportional to 16,688,115.84, 25,031,962.56 and 5,328,420.48 is: 7,992,563.29
Step by Step Solution
- Step 1: Write the proportion equation
16,688,115.84 : 25,031,962.56 = 5,328,420.48 : x - Step 2: Convert to fraction form
16,688,115.84/25,031,962.56 = 5,328,420.48/x - Step 3: Cross multiply
16,688,115.84x = 25,031,962.56 × 5,328,420.48 - Step 4: Simplify right side
16,688,115.84x = 133,380,821,959,297.23 - Step 5: Solve for x
x = 133,380,821,959,297.23/16,688,115.84 - Step 6: Final answer
x = 7,992,563.29
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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.