Finding the Fourth Proportional to 7,102,041.93, 10,652,964.48 and 6,648,151.95
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Solution
The fourth proportional to 7,102,041.93, 10,652,964.48 and 6,648,151.95 is: 9,972,135.80
Step by Step Solution
- Step 1: Write the proportion equation
7,102,041.93 : 10,652,964.48 = 6,648,151.95 : x - Step 2: Convert to fraction form
7,102,041.93/10,652,964.48 = 6,648,151.95/x - Step 3: Cross multiply
7,102,041.93x = 10,652,964.48 × 6,648,151.95 - Step 4: Simplify right side
7,102,041.93x = 70,822,526,580,992.73 - Step 5: Solve for x
x = 70,822,526,580,992.73/7,102,041.93 - Step 6: Final answer
x = 9,972,135.80
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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.