Finding the Fourth Proportional to 7,869,889.35, 10,860,160.58 and 4,385,048.07
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Solution
The fourth proportional to 7,869,889.35, 10,860,160.58 and 4,385,048.07 is: 6,051,206.58
Step by Step Solution
- Step 1: Write the proportion equation
7,869,889.35 : 10,860,160.58 = 4,385,048.07 : x - Step 2: Convert to fraction form
7,869,889.35/10,860,160.58 = 4,385,048.07/x - Step 3: Cross multiply
7,869,889.35x = 10,860,160.58 × 4,385,048.07 - Step 4: Simplify right side
7,869,889.35x = 47,622,326,191,219.09 - Step 5: Solve for x
x = 47,622,326,191,219.09/7,869,889.35 - Step 6: Final answer
x = 6,051,206.58
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.