Finding the Fourth Proportional to 14,772,078.80, 22,159,846.20 and 4,675,720.40
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Solution
The fourth proportional to 14,772,078.80, 22,159,846.20 and 4,675,720.40 is: 7,014,127.55
Step by Step Solution
- Step 1: Write the proportion equation
14,772,078.80 : 22,159,846.20 = 4,675,720.40 : x - Step 2: Convert to fraction form
14,772,078.80/22,159,846.20 = 4,675,720.40/x - Step 3: Cross multiply
14,772,078.80x = 22,159,846.20 × 4,675,720.40 - Step 4: Simplify right side
14,772,078.80x = 103,613,244,938,202.48 - Step 5: Solve for x
x = 103,613,244,938,202.48/14,772,078.80 - Step 6: Final answer
x = 7,014,127.55
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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.